← Back to Yu-Gi-Oh Card Ratings Return to Index Forward to LTGY-EN Ratings →
Learn to play the TCG. More on these ratings HA07-EN Card Spoiler
0/5  1/5 2/5 3/5 4/5 5/5

Hidden Arsenal 7: Knight of Stars (HA07-EN) Card Ratings

1. Product name was shortened for consistancy with the first 3 Hidden Arsenal sets.
2.
Card gallery: 
 https://yugipedia.com/wiki/Set_Card_Galleries:Hidden_Arsenal_7:_Knight_of_Stars_(TCG-EN-1E)
Hidden Arsenal 7 (HA07-EN070)
Infestation Terminus
TRAP / Normal Trap
Target 1 "lswarm" monster you control and 2 cards your opponent controls; banish the first target, and if you do, return the second targets to the hand.
(Super Rare)
Rating: 1 out of 5
The best lswarms are right in this set, and they don't need "support" this bad.
Hidden Arsenal 7 (HA07-EN069)
Constellar Meteor
TRAP / Normal Trap
During the turn this card is activated, if an opponent's monster battles a "Constellar" monster, and the opponent's monster is not destroyed, shuffle it into the Deck at the end of the Damage Step.
(Super Rare)
Rating: 2 out of 5
Some of them are decent enough to make this useful, and this does last the entire turn.
Hidden Arsenal 7 (HA07-EN068)
Infestation Pandemic
SPELL / Quick-Play Spell
All face-up "lswarm" monsters you currently control are unaffected by other Spell/Trap effects this turn.
(Secret Rare)
Rating: 2 out of 5
The opponent won't be giving yours any surprises, but your support for them is also blocked.
Hidden Arsenal 7 (HA07-EN067)
Constellar Star Cradle
SPELL / Normal Spell
Target 2 "Constellar" monsters in your Graveyard; add those targets to your hand. You cannot conduct your Battle Phase the turn you activate this card.
(Super Rare)
Rating: 2 out of 5
Could've been seen as a better version of Salvage (SD4 #23), but I guess not.
Hidden Arsenal 7 (HA07-EN066)
Iron Call
SPELL / Normal Spell
If you control a Machine-Type monster: Target 1 Level 4 or lower Machine-Type monster in your Graveyard; Special Summon that target. Its effects are negated. Destroy it during the End Phase.
(Secret Rare)
Rating: 2 out of 5
A weaker Monster Reborn (#30) or Call of the Haunted. (#25)
Hidden Arsenal 7 (HA07-EN065)
Evilswarm Ouroboros
DARK / Xyz Monster / Rank 4 / ATK 2750 / DEF 1950
(Dragon / Xyz / Effect)

3 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card to activate 1 of these effects. Each effect can only be used once while this card is face-up on the field.
● Target 1 card your opponent controls; return that target to the hand.
● Send 1 random card from your opponent's hand to the Graveyard.
● Target 1 card in your opponent's Graveyard; banish that target.
(Secret Rare)
Rating: 1 out of 5
The materials are basically wasted.
Hidden Arsenal 7 (HA07-EN064)
Evilswarm Ophion
DARK / Xyz Monster / Rank 4 / ATK 2350 / DEF 1650
(Dragon / Xyz / Effect)

2 Level 4 "lswarm" monsters
While this card has Xyz Material, Level 5 or higher monsters cannot be Special Summoned. Once per turn: You can detach 1 Xyz Material from this card; add 1 "Infestation" Spell/Trap Card from your Deck to your hand.
(Secret Rare)
Rating: 2 out of 5
The first effect offers a bit of benefit, but the materials are a bit strict and it's not very strong.
Hidden Arsenal 7 (HA07-EN063)
Evilswarm Thanatos
DARK / Xyz Monster / Rank 4 / ATK 2350 / DEF 1350
(Fiend / Xyz / Effect)

2 Level 4 DARK monsters
Once per turn, during either player's turn: You can detach 1 Xyz Material from this card; this face-up card is unaffected by other monster effects this turn.
(Secret Rare)
Rating: 2 out of 5
I guess some protection is better than none, but 2/3 can take advantage and its stats are pretty low.
Hidden Arsenal 7 (HA07-EN062)
Constellar Ptolemy M7
LIGHT / Xyz Monster / Rank 6 / ATK 2700 / DEF 2000
(Machine / Xyz / Effect)

2 Level 6 monsters
You can also Xyz Summon this card by using a "Constellar" Xyz Monster you control as the Xyz Material, other than "Constellar Ptolemy M7". (Xyz Materials attached to that monster also become Xyz Materials on this card.) If you do, its effect cannot be activated this turn. Once per turn: You can detach 1 Xyz Material from this card to target 1 monster on the field or in either player's Graveyard; return that target to the hand.
(Secret Rare)
Rating: 1 out of 5
With effects that bad, it doesn't really matter how you Xyz Summon it.
Hidden Arsenal 7 (HA07-EN061)
Constellar Praesepe
LIGHT / Xyz Monster / Rank 4 / ATK 2400 / DEF 800
(Machine / Xyz / Effect)

2 Level 4 "Constellar" monsters
Once per turn, during the Damage Step of either player's turn, when a "Constellar" monster you control is attacking or being attacked: You can detach 1 Xyz Material from this card; that monster gains 1000 ATK, until the End Phase.
(Secret Rare)
Rating: 2 out of 5
Works on itself, but Honest (#1) is better for all of them, and it's easily searched.
Hidden Arsenal 7 (HA07-EN060)
Tin Archduke
EARTH / Xyz Monster / Rank 4 / ATK 2200 / DEF 1200
(Machine / Xyz / Effect)

3 Level 4 monsters
Once per turn, during either player's turn: You can detach 1 Xyz Material from this card to target 1 monster your opponent controls; change its battle position. (Flip Effects are not activated.)
(Secret Rare)
Rating: 2 out of 5
A 3-time Stop-Defense (#31) basically.
Hidden Arsenal 7 (HA07-EN059)
Gem-Knight Master Diamond
EARTH / Fusion Monster / Level 9 / ATK 2900 / DEF 2500
(Rock / Fusion / Effect)

3 "Gem-Knight" monsters
Must first be Fusion Summoned. This card gains 100 ATK for each "Gem-" monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name and original effect become the same as that banished monster's.
(Secret Rare)
Rating: 1 out of 5
Having read the entire lineup (#47), there's nothing worthwhile.
Hidden Arsenal 7 (HA07-EN058)
Gem-Knight Seraphinite
EARTH / Fusion Monster / Level 5 / ATK 2300 / DEF 1400
(Fairy / Fusion / Effect)

1 "Gem-Knight" monster + 1 LIGHT monster
Must first be Fusion Summoned with the above Fusion Material Monsters. During your Main Phase, you can Normal Summon/Set 1 monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)
(Super Rare)
Rating: 2 out of 5
More work, but becomes a Double Summon (#56) each turn with any monster.
Hidden Arsenal 7 (HA07-EN057)
Gishki Zielgigas
WATER / Ritual Monster / Level 10 / ATK 3200 / DEF 0
(Aqua / Ritual / Effect)

You can Ritual Summon this card with any "Gishki" Ritual Spell Card. Once per turn: You can pay 1000 Life Points; draw 1 card, and if you do, reveal it, then, if it was a "Gishki" monster, shuffle 1 card from the field into the Deck.
(Secret Rare)
Rating: 1 out of 5
Looks like Steelswarm Hercules (#17) only got worse since the last set's release.
Hidden Arsenal 7 (HA07-EN056)
Gishki Psychelone
WATER / Ritual Monster / Level 4 / ATK 2150 / DEF 1650
(Fiend / Ritual / Effect)

You can Ritual Summon this card with any "Gishki" Ritual Spell Card. Once per turn: You can declare 1 Monster Type and Attribute; look at 1 random card in your opponent's hand, and if it is a monster of the declared Type and Attribute, shuffle it into the Deck. Otherwise, return it to the hand.
(Super Rare)
Rating: 1 out of 5
I never thought I'd find a card worse than The Eye of Truth. (#46)
Hidden Arsenal 7 (HA07-EN055)
Sophia, Goddess of Rebrith
DARK / Effect Monster / Level 11 / ATK 3600 / DEF 3400
(Fairy / Effect)

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 face-up Ritual, Fusion, Synchro, and Xyz Monster from anywhere on the field, and cannot be Special Summoned by other ways. This card's Special Summon cannot be negated. When this card is Special Summoned: Banish all other cards from both players' hands, fields, and Graveyards. Cards and effects cannot be activated in response to this effect's activation.
(Secret Rare)
Rating: 2 out of 5
Removes more cards than Black Rose Dragon without being countered, but for quite the steep cost.
Hidden Arsenal 7 (HA07-EN054)
Evilsworm Coppelia
DARK / Effect Monster / Level 6 / ATK 2450 / DEF 2050
(Machine / Effect)

Cannot be Special Summoned. When this card leaves the field because of your opponent's card (either by battle or by card effect): You can target 1 face-up monster your opponent controls; take control of that target until your next End Phase.
(Super Rare)
Rating: 2 out of 5
Can't revive it, but only takes 1 Tribute and once it's off the field, you get to steal any opponent'ts monster.
Hidden Arsenal 7 (HA07-EN053)
Evilsworm Golem
DARK / Effect Monster / Level 5 / ATK 2150 / DEF 1250
(Rock / Effect)

Once per turn: You can target 1 Level 5 or higher non-DARK monster on the field; destroy that target.
(Super Rare)
Rating: 2 out of 5
The effect is free, but some of the big names in this game are DARK.
Hidden Arsenal 7 (HA07-EN052)
Evilsworm Salamandra
DARK / Effect Monster / Level 4 / ATK 1850 / DEF 950
(Dinosaur / Effect)

Up to twice per turn: You can banish 1 monster from your Graveyard; this card gains 300 ATK until your opponent's next End Phase.
(Super Rare)
Rating: 3 out of 5
This is certainly a proven member, and for places outside the Deck as well.
Hidden Arsenal 7 (HA07-EN051)
Evilsworm Thunderbird
DARK / Effect Monster / Level 4 / ATK 1650 / DEF 1050
(Thunder / Effect)

During either player's turn, when a card or effect is activated (except during the Damage
Step): You can banish this card you control. During the next Standby Phase, return this card banished by this effect to the field, and if you do, it gains 300 ATK. You can only use the effect of "Evilswarm Thunderbird" once per turn.
(Secret Rare)
Rating: 1 out of 5
You're down a monster for a weak ATK boost.
Hidden Arsenal 7 (HA07-EN050)
Evilsworm Azzathoth
DARK / Effect Monster / Level 4 / ATK 750 / DEF 1950
(Reptile / Flip / Effect)

FLIP: Target 1 Special Summoned monster on the field; shuffle that target into the Deck.
(Super Rare)
Rating: 2 out of 5
The DEF helps aid in the effect being used, but it's only against Special Summoned monsters.
Hidden Arsenal 7 (HA07-EN049)
Evilsworm Obliviwisp
DARK / Effect Monster / Level 4 / ATK 450 / DEF 2050
(Pyro / Effect)

After damage calculation, if this card battles a monster: Negate the effects of that monster (including in the Graveyard).
(Super Rare)
Rating: 3 out of 5
Even 2000 ATK won't be enough, and this shuts down their effect too.
Hidden Arsenal 7 (HA07-EN048)
Evilsworm Castor
DARK / Effect Monster / Level 4 / ATK 1750 / DEF 550
(Warrior / Effect)

During the turn this card was Normal Summoned, you can Normal Summon 1 "lswarm" monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)
(Super Rare)
Rating: 2 out of 5
Not really more useful than Double Summon. (5DS1 #29)
Hidden Arsenal 7 (HA07-EN047)
Constellar Antares
LIGHT / Effect Monster / Level 6 / ATK 2400 / DEF 900
(Machine / Effect)

When this card is Normal or Special Summoned: You can target 1 "Constellar" monster in your Graveyard; add that target to your hand.
(Super Rare)
Rating: 3 out of 5
Even the old Union monsters (#7) didn't have any LIGHT Machines this strong.
Hidden Arsenal 7 (HA07-EN046)
Constellar Alrescha
LIGHT / Effect Monster / Level 6 / ATK 2200 / DEF 1200
(Warrior / Effect)

When this card is Normal Summoned: You can Special Summon 1 "Constellar" monster from your hand in face-up Defense Position.
(Super Rare)
Rating: 2 out of 5
This hasn't been a great lineup so far so even this effect isn't that helpful.
Hidden Arsenal 7 (HA07-EN045)
Constellar Kaus
LIGHT / Effect Monster / Level 4 / ATK 1800 / DEF 700
(Beast-Warrior / Effect)

Cannot be used as a Synchro Material Monster. Up to twice per turn: You can target 1 "Constellar" monster on the field to activate 1 of these effects;
● Increase its Level by 1.
● Reduce its Level by 1.
(Secret Rare)
Rating: 2 out of 5
Initally looks good, but cannot be Synchro Material.
Hidden Arsenal 7 (HA07-EN044)
Constellar Acubens
LIGHT / Effect Monster / Level 4 / ATK 800 / DEF 2000
(Machine / Effect)

When this card is Normal or Special Summoned: All "Constellar" monsters you currently control gain 500 ATK.
(Super Rare)
Rating: 2 out of 5
Goes about as far as most monsters with this much DEF. The effect doesn't really matter.
Hidden Arsenal 7 (HA07-EN043)
Constellar Leonis
LIGHT / Effect Monster / Level 3 / ATK 1000 / DEF 1800
(Beast / Effect)

During your Main Phase, you can Normal Summon 1 "Constellar" monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)
(Super Rare)
Rating: 2 out of 5
The Deck can't be that good if Konami allows members to copy Double Summon. (#56)
Hidden Arsenal 7 (HA07-EN042)
Constellar Rasalhague
LIGHT / Effect Monster / Level 2 / ATK 900 / DEF 100
(Spellcaster / Effect)

You can Tribute this card; Special Summon 1 "Constellar" monster from your hand or Graveyard in face-up Defense Position, except "Constellar Rasalhague".
(Super Rare)
Rating: 2 out of 5
There's a few this could be viable with coming up.
Hidden Arsenal 7 (HA07-EN041)
Constellar Siat
LIGHT / Effect Monster / Level 1 / ATK 100 / DEF 1600
(Fairy / Effect)

If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand). Once per turn: You can target 1 "Constellar" monster you control or in your Graveyard; this card's Level becomes the current Level of that monster. This card cannot be used as an Xyz Material for an Xyz Summon, except for the Xyz Summon of a "Constellar" monster.
(Super Rare)
Rating: 1 out of 5
Doesn't open up enough to be useful.
Hidden Arsenal 7 (HA07-EN040)
Gishki Natalia
WATER / Effect Monster / Level 4 / ATK 1800 / DEF 900
(Spellcaster / Spirit / Effect)

Cannot be Special Summoned. During the End Phase of the turn this card was Normal Summoned or flipped face-up: Return it to the hand. When this card is Normal Summoned or flipped face-up: You can target 1 "Gishki" monster in your Graveyard; return that target to the top of the Deck.
(Super Rare)
Rating: 1 out of 5
Might as well work like the other janky Level 4s with 2000 ATK.
Hidden Arsenal 7 (HA07-EN039)
Gem-Knight Lazuli
EARTH / Effect Monster / Level 1 / ATK 600 / DEF 100
(Rock / Effect)

If this card is sent to the Graveyard by a card effect: You can target 1 Normal Monster in your Graveyard; add that target to your hand.
(Super Rare)
Rating: 1 out of 5
Skip this card and use Call of the Haunted. (#25)
Hidden Arsenal 7 (HA07-EN038)
Gearspring Spirit
DARK / Effect Monster / Level 8 / ATK 100 / DEF 100
(Machine / Effect)

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by having only Machine-Type monsters in your Graveyard (min. 1). Once per turn: You can target 1 face-up monster your opponent controls; its ATK becomes 0 until the End Phase.
(Super Rare)
Rating: 1 out of 5
Spirit of Reptilianne Medusa (#21) clearly.
Hidden Arsenal 7 (HA07-EN037)
Tin Goldfish
WATER / Effect Monster / Level 4 / ATK 800 / DEF 2000
(Machine / Effect)

When this card is Normal Summoned: You can Special Summon 1 Level 4 monster from your hand.
(Super Rare)
Rating: 2 out of 5
Limited to Level 4 monsters, but has high DEF at least. Normal Summoning it is quite the risk though.
Hidden Arsenal 7 (HA07-EN036)
Aye-Iron
EARTH / Effect Monster / Level 4 / ATK 1600 / DEF 1800
(Machine / Effect)

Once per turn: You can have this card gain 400 ATK. This card cannot attack the turn you activate this effect.
(Super Rare)
Rating: 2 out of 5
2000 ATK is available for even Level 4 (#1) Normal Monsters, but this also has 1800 DEF at least.
Hidden Arsenal 7 (HA07-EN035)
D.D. Jet Iron
LIGHT / Effect Monster / Level 10 / ATK 4000 / DEF 0
(Machine / Effect)

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by sending 1 "D.D. Esper Star Sparrow", "Beast-Warrior Puma", "Phoenix Beast Gairuda", and "Ironhammer the Giant" from your hand and/or face-up from your side of the field to the Graveyard. You can Tribute this card to target 1 "D.D. Esper Star Sparrow", "Beast-Warrior Puma", "Phoenix Beast Gairuda" and "Ironhammer the Giant" in your Graveyard; Special Summon those targets.
(Super Rare)
Rating: 1 out of 5
The iron has rusted significantly.
Hidden Arsenal 7 (HA07-EN034)
Ironhammer the Giant
EARTH / Effect Monster / Level 8 / ATK 900 / DEF 3500
(Rock / Effect)

If you control "D.D. Esper Star Sparrow", "Beast-Warrior Puma" and "Phoenix Beast Gairuda", you can Special Summon this card (from your hand). While this card is face-up on the field, it cannot change its battle position. Once per turn: You can target 1 monster you control; it can attack your opponent directly this turn.
(Super Rare)
Rating: 2 out of 5
Getting it in Defense Mode isn't going to be easy, but it offers one good perk once it's there.
Hidden Arsenal 7 (HA07-EN033)
Phoenix Beast Gairuda
WIND / Effect Monster / Level 6 / ATK 2500 / DEF 1200
(Winged Beast / Effect)

If this card attacks an opponent's monster, this card gains 300 ATK during the Damage Step only.
(Super Rare)
Rating: 3 out of 5
The boost is pretty much nothing, but it's strong for a Level 6 monster and nothing holds it back.
Hidden Arsenal 7 (HA07-EN032)
Beast-Warrior Puma
LIGHT / Effect Monster / Level 4 / ATK 1600 / DEF 1000
(Beast-Warrior / Effect)

You can Tribute this card; add 1 "D.D. Esper Star Sparrow" from your Deck or Graveyard to your hand.
(Super Rare)
Rating: 1 out of 5
The Sparrow isn't responsible for how far his cards have fallen, but they also could've had weak foes.
Hidden Arsenal 7 (HA07-EN031)
D.D. Esper Star Sparrow
LIGHT / Effect Monster / Level 10 / ATK 3000 / DEF 1500
(Warrior / Effect)

There can only be 1 face-up "D.D. Esper Star Sparrow" on the field. Your opponent cannot target other monsters you control with effects or for attacks. When an opponent's monster declares a direct attack while this card is in your Graveyard: You can Special Summon this card from your Graveyard in face-up Defense Position. If you do, banish it when it leaves the field.
(Secret Rare)
Rating: 2 out of 5
Limit of 1 copy on the field, but still has high ATK with a few perks.
Hidden Arsenal 7 (HA07-EN030)
Infestation Infection
TRAP / Continuous Trap
Once per turn: You can shuffle 1 "lswarm" monster from your hand or face-up from your side of the field into the Main Deck; add 1 "lswarm" monster from your Deck to your hand.
(Secret Rare)
Rating: 1 out of 5
Infection spread to all but a select few.
Hidden Arsenal 7 (HA07-EN029)
Dust Storm of Gusto
TRAP / Normal Trap
Your opponent cannot activate cards or effects when "Gusto" monsters you control declare their attacks this turn.
(Super Rare)
Rating: 1 out of 5
Just look at them (#53). They don't need any countermeasures.
Hidden Arsenal 7 (HA07-EN028)
Fragment Fusion
TRAP / Normal Trap
Banish from your Graveyard the Fusion Material Monsters that are listed on a "Gem-Knight" Fusion Monster Card, then Special Summon that Fusion Monster from your Extra Deck. (This Special Summon is treated as a Fusion Summon.) Destroy it during the End Phase.
(Super Rare)
Rating: 1 out of 5
Gem-Knights (#2) seem to get one every set, but it doesn't help.
Hidden Arsenal 7 (HA07-EN027)
Constellar Star Chart
SPELL / Continuous Spell
Once per turn, when a "Constellar" Xyz Monster(s) is Special Summoned to your side of the field (except during the Damage Step): You can draw 1 card.
(Secret Rare)
Rating: 2 out of 5
Some are okay with this.
Hidden Arsenal 7 (HA07-EN026)
Gishki Photomirror
SPELL / Ritual Spell
This card can be used to Ritual Summon any "Gishki" Ritual Monster. You must also pay Life Points equal to the Level of the Ritual Summoned monster x 500 (when this card resolves).
(Super Rare)
Rating: 1 out of 5
There's a myriad of better (#38) Ritual Spells and Ritual Monsters. (#214)
Hidden Arsenal 7 (HA07-EN025)
Molten Conduction Field
SPELL / Normal Spell
Send 2 "Laval" monsters from your Deck to the Graveyard.
(Secret Rare)
Rating: 1 out of 5
As the previous packs prove, sending them to the Grave really doesn't matter.
Hidden Arsenal 7 (HA07-EN024)
Evilswarm Bahamut
DARK / Xyz Monster / Rank 4 / ATK 2350 / DEF 1350
(Dragon / Xyz / Effect)

2 Level 4 "lswarm" monsters
Once per turn: You can detach 1 Xyz Material from this card to target 1 face-up monster your opponent controls; discard 1 "lswarm" monster, and if you do, take control of that opponent's monster.
(Secret Rare)
Rating: 2 out of 5
Stealing monsters often comes with a catch these days, and this has two.
Hidden Arsenal 7 (HA07-EN023)
Evilswarm Nightmare
DARK / Xyz Monster / Rank 4 / ATK 950 / DEF 1950
(Fiend / Xyz / Effect)

2 Level 4 DARK monsters
When your opponent Special Summons a monster(s) (except during the Damage Step): You can detach 1 Xyz Material from this card; change that Special Summoned
monster(s) to face-down Defense Position.
(Super Rare)
Rating: 2 out of 5
The affected monsters basically can't do anything, but this has no way to take advantage.
Hidden Arsenal 7 (HA07-EN022)
Constellar Pleiades
LIGHT / Xyz Monster / Rank 5 / ATK 2500 / DEF 1500
(Warrior / Xyz / Effect)

2 Level 5 LIGHT monsters
Once per turn, during either player's turn: You can detach 1 Xyz Material from this card to target 1 card on the field; return that target to the hand.
(Secret Rare)
Rating: 1 out of 5
You can't even rely on the higher Ranked Xyz Monsters to have good effects.
Hidden Arsenal 7 (HA07-EN021)
Constellar Hyades
LIGHT / Xyz Monster / Rank 3 / ATK 1900 / DEF 1100
(Beast-Warrior / Xyz / Effect)

2 Level 3 LIGHT monsters
Once per turn: You can detach 1 Xyz Material from this card; change all monsters your opponent controls to face-up Defense Position.
(Secret Rare)
Rating: 2 out of 5
Actually not too bad, moreso than Book of Eclipse. (#62)
Hidden Arsenal 7 (HA07-EN020)
Daigusto Emeral
WIND / Xyz Monster / Rank 4 / ATK 1800 / DEF 800
(Rock / Xyz / Effect)

2 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card, then activate 1 of these effects.
● Target 3 monsters in your Graveyard; shuffle all 3 into the Deck, then draw 1 card.
● Target 1 non-Effect Monster in your Graveyard; Special Summon that target.
(Secret Rare)
Rating: 2 out of 5
The ATK and effects are only good for a regular monster.
Hidden Arsenal 7 (HA07-EN019)
Lavalval Chain
FIRE / Xyz Monster / Rank 4 / ATK 1800 / DEF 1000
(Sea Serpent / Xyz / Effect)

2 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card to activate 1 of these effects;
● Send 1 card from your Deck to the Graveyard.
● Choose 1 monster from your Deck and place it on top of your Deck.
(Secret Rare)
Rating: 2 out of 5
Both effects are helpful, but those stats are pretty low for 2 monsters.
Hidden Arsenal 7 (HA07-EN018)
Gem-Knight Zirconia
EARTH / Fusion Monster / Level 8 / ATK 2900 / DEF 2500
(Rock / Fusion)

1 "Gem-Knight" monster + 1 Rock-Type monster
(Super Rare)
Rating: 1 out of 5
Gem-Knights have entered LOB days.
Hidden Arsenal 7 (HA07-EN017)
Evigishki Levianima
WATER / Ritual Monster / Level 8 / ATK 2700 / DEF 1500
(Aqua / Ritual / Effect)

You can Ritual Summon this card with any "Gishki" Ritual Spell Card. When this card declares an attack: Draw 1 card, and if you do, reveal it, then if it was a "Gishki" monster, look at 1 random card in your opponent's hand.
(Secret Rare)
Rating: 2 out of 5
The drawn card stays in your hand regardless of what it is, which is something at least.
Hidden Arsenal 7 (HA07-EN016)
Evilswarm Hraesvelg
DARK / Effect Monster / Level 4 / ATK 1150 / DEF 1850
(Winged Beast / Flip / Effect)

FLIP: Target 1 face-up card your opponent controls; return that target to the hand.
(Super Rare)
Rating: 2 out of 5
Pretty bad effect, but it has relatively high DEF.
Hidden Arsenal 7 (HA07-EN015)
Evilswarm Mandragora
DARK / Effect Monster / Level 4 / ATK 1550 / DEF 1450
(Plant / Effect)

If your opponent controls more monsters than you do, you can Special Summon this card (from your hand).
(Super Rare)
Rating: 1 out of 5
This isn't likely going to overcome the opposition you have, and Cyber Dragon (#1) can do better.
Hidden Arsenal 7 (HA07-EN014)
Evilswarm O'lantern
DARK / Effect Monster / Level 4 / ATK 1650 / DEF 1250
(Pyro / Effect)

You can Tribute this card to target 1 face-up monster your opponent controls; destroy that target.
(Super Rare)
Rating: 1 out of 5
Copied the wrong monster to be successful.
Hidden Arsenal 7 (HA07-EN013)
Evilswarm Ketos
DARK / Effect Monster / Level 4 / ATK 1750 / DEF 1050
(Aqua / Effect)

You can Tribute this card to target 1 Spell/Trap Card your opponent controls; destroy that target.
(Super Rare)
Rating: 1 out of 5
For just 1 Tribute with Mobius (#8), you get up to 2 Spell and Trap Cards destroyed and high ATK.
Hidden Arsenal 7 (HA07-EN012)
Evilswarm Zahak
DARK / Effect Monster / Level 4 / ATK 1850 / DEF 850
(Dragon / Effect)

When this face-up card on the field is destroyed by your opponent's card (either by battle or by card effect) and sent to the Graveyard: Target 1 face-up Special Summoned Level 5 or higher monster on the field; destroy that target.
(Super Rare)
Rating: 3 out of 5
The effect is pretty much useless in an Xyz Monster era, but the ATK and Level are good as is.
Hidden Arsenal 7 (HA07-EN011)
Evilswarm Heliotrope
DARK / Normal Monster / Level 4 / ATK 1950 / DEF 650
(Rock / Normal)

.ytilaer a maerd rieht ekam thgim yeht taht os ydob a rof gninraey ,sluos mrawsleetS gniregnil fo sthguoht eht era esehT "!etanimretxE !etacidarE !etanimilE"
(Super Rare)
Rating: 3 out of 5
Mirror not necessary when everything else is crystal clear.
Hidden Arsenal 7 (HA07-EN010)
Constellar Virgo
LIGHT / Effect Monster / Level 5 / ATK 2300 / DEF 1600
(Fairy / Effect)

When this card is Normal Summoned: You can Special Summon 1 Level 5 "Constellar" monster from your hand in face-up Defense Position.
(Super Rare)
Rating: 2 out of 5
Specific, but useful for Rank 5s.
Hidden Arsenal 7 (HA07-EN009)
Constellar Zubeneschamali
LIGHT / Effect Monster / Level 5 / ATK 2100 / DEF 1400
(Machine / Effect)

When this card is Normal or Special Summoned: You can add 1 "Constellar" monster from your Deck to your hand.
(Secret Rare)
Rating: 2 out of 5
Better off Special Summoning it.
Hidden Arsenal 7 (HA07-EN008)
Constellar Pollux
LIGHT / Effect Monster / Level 4 / ATK 1700 / DEF 600
(Warrior / Effect)

During the turn this card was Normal Summoned, you can Normal Summon 1 "Constellar" monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)
(Super Rare)
Rating: 2 out of 5
While weak, the effect can certainly help a bit and it's searchable. (#32)
Hidden Arsenal 7 (HA07-EN007)
Constellar Algeidi
LIGHT / Effect Monster / Level 4 / ATK 1600 / DEF 1400
(Spellcaster / Effect)

When this card is Normal Summoned: You can Special Summon 1 Level 4 "Constellar" monster from your hand.
(Super Rare)
Rating: 2 out of 5
So far, nothing really stellar about these guys.
Hidden Arsenal 7 (HA07-EN006)
Constellar Aldebaran
LIGHT / Effect Monster / Level 3 / ATK 1300 / DEF 800
(Beast-Warrior / Effect)

When this card is Normal Summoned: You can Special Summon 1 Level 3 "Constellar" monster from your hand.
(Super Rare)
Rating: 1 out of 5
A slightly stronger Marauding Captain (SD5 #9) that is also more specific.
Hidden Arsenal 7 (HA07-EN005)
Constellar Sheratan
LIGHT / Effect Monster / Level 3 / ATK 700 / DEF 1900
(Beast / Effect)

When this card is Normal Summoned: You can add 1 "Constellar" monster from your Deck to your hand.
(Super Rare)
Rating: 2 out of 5
Open to the entire crop of monsters, but less than half are worth Normal Summoning this for. Use its DEF.
Hidden Arsenal 7 (HA07-EN004)
Gusto Griffin
WIND / Effect Monster / Level 2 / ATK 800 / DEF 300
(Winged Beast / Effect)

If this card is sent from the hand to your Graveyard: You can Special Summon 1 "Gusto" monster from your Deck. You can only use the effect of "Gusto Griffin" once per turn.
(Super Rare)
Rating: 1 out of 5
It'd be ideal for the Deck, but the members are bad.
Hidden Arsenal 7 (HA07-EN003)
Gishki Avance
WATER / Effect Monster / Level 4 / ATK 1500 / DEF 800
(Spellcaster / Effect)

Once per turn: You can choose 1 "Gishki" monster in your Deck and place it on top of your Deck.
(Super Rare)
Rating: 1 out of 5
We took Deep Diver and made it worse.
Hidden Arsenal 7 (HA07-EN002)
Laval Phlogis
FIRE / Effect Monster / Level 4 / ATK 1700 / DEF 800
(Pyro / Effect)

When this card is sent to the Graveyard: All face-up "Laval" monsters you currently control gain 300 ATK.
(Super Rare)
Rating: 1 out of 5
Perfectly harmless to give that weak boost whenever it's sent to the Graveyard.
Hidden Arsenal 7 (HA07-EN001)
Gem-Knight Sardonyx
EARTH / Effect Monster / Level 4 / ATK 1800 / DEF 900
(Pyro / Geimini / Effect)

This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it become an Effect Monster with this effect.
● When this card destroys an opponent's monster by battle and sends it to the Graveyard: You can add 1 "Gem-Knight" card from your Deck to your hand.
(Super Rare)
Rating: 3 out of 5
A much better start than the previous pack, and one worthwhile in quite a few places.