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Machina Mayhem Structure Deck (SDMM-EN) Card Spoiler

1. List excludes duplicates included.
2. Card gallery:
 https://yugipedia.com/wiki/Set_Card_Galleries:Machina_Mayhem_Structure_Deck_(TCG-EN-1E)
                                                  SDMM-EN037
Roll Out!
Normal Trap
Select 1 Union Monster in your Graveyard and equip it to an appropriate monster you control.
(Common)
 
                                                  SDMM-EN036
Compulsory Evacuation Device
Normal Trap
Return 1 monster on the field to its owner's hand.
(Common)
 
                                                  SDMM-EN035
Ceasefire
Normal Trap
Flip all face-down Defense Position monsters face-up. Flip Effects are not activated at this time. Inflict 500 damage to your opponent for each face-up Effect Monster on the field.
(Common)
 
                                                  SDMM-EN034
Rare Metalmorph
Continuous Trap
Select 1 face-up Machine-Type monster. It gains 500 ATK. One time only, negate the effect of a Spell Card that targets that monster. When the selected monster is removed from the field, destroy this card.
(Common)
 
                                                  SDMM-EN033
Metalmorph (original artwork)
Normal Trap
After activation, equip this card to a monster. It gains 300 ATK and DEF. When the equipped monster attacks, it gains additional ATK equal to half that attack target's ATK, during damage calculation only.
(Common)
 
                                                  SDMM-EN032
Dimensional Prison
Normal Trap
Activate only when your opponent declares an attack. Remove from play the attacking monster.
(Common)
 
                                                  SDMM-EN031
Time Machine
Normal Trap
Activate only when a monster is destroyed by battle and sent to the Graveyard. Special Summon that monster to the same side of the field it was on, in the same battle position it was in when destroyed.
(Common)
 
                                                  SDMM-EN030
Solidarity
Continuous Spell
If you have only 1 original (printed) Type of monster in your Graveyard, face-up monsters you control with the same Type gain 800 ATK.
(Common)
 
                                                  SDMM-EN029
Card Trader
Continuous Spell
Once per turn, during your Standby Phase, you can shuffle 1 card from your hand into the Deck, then draw 1 card.
(Common)
 
                                                  SDMM-EN028
Hand Destruction
Quick-Play Spell
Each player sends 2 cards from their hand to the Graveyard and draws 2 cards.
(Common)
 
                                                  SDMM-EN027
Inferno Reckless Summon
Quick-Play Spell
Activate only when 1 monster with 1500 or less ATK is Special Summoned to your side of the field while your opponent controls a face-up monster(s). Special Summon all cards with the same name as the Summoned monster from your hand, Deck, and Graveyard in face-up Attack Position. Your opponent selects 1 face-up monster they control and Special Summons all cards with that same name from their hand, Deck, and Graveyard.
(Common)
 
                                                  SDMM-EN026
Machine Duplication
Normal Spell
Select 1 face-up Machine-Type monster you control with 500 or less ATK. You can Special Summon up to 2 cards with the same name from your Deck.
(Common)
 
                                                  SDMM-EN025
Frontline Base
Continuous Spell
Once per turn, during your Main Phase, you can Special Summon 1 Level 4 or lower Union Monster from your hand.
(Common)
 
                                                  SDMM-EN024
Shrink
Quick-Play Spell
Select 1 face-up monster on the field. The original ATK of that monster is halved until the end of this turn.
(Common)
 
                                                  SDMM-EN023
Swords of Revealing Light
Normal Spell
Flip all monsters your opponent controls face-up. This card remains on the field for 3 of your opponent's turns. While this card is face-up on the field, monsters your opponent controls cannot declare an attack.
(Common)
 
                                                  SDMM-EN022
Prohibition
Continuous Spell
When you activate this card, declare 1 card name. Cards with that name and their effects cannot be used. Cards on the field before this card was activated are not affected (including face-down cards).
(Common)
 
                                                  SDMM-EN021
Machina Armored Unit
Continuous Spell
Once per turn, when a Machine-Type monster is destroyed by battle and sent to your Graveyard, you can Special Summon 1 Machine-Type monster from your Deck that has the same Attribute and less ATK than the destroyed monster.
(Common)
 
                                                  SDMM-EN020
The Big Saturn
DARK | Machine | Level 8 | ATK 2800 | DEF 2200
This card cannot be Special Summoned from the hand or Deck. Once per turn, during your Main Phase, you can discard 1 card and pay 1000 Life Points to have this card gain 1000 ATK until the End Phase. When this card is destroyed and sent to the Graveyard by an opponent's card effect, both players take damage equal to this card's ATK.
(Common)
 
                                                  SDMM-EN019
Cyber Valley
LIGHT | Machine | Level 1 | ATK 0 | DEF 0
You can use 1 of the following 3 effects:
● When this card is selected as an attack target by an opponent's monster, you can remove this card from play to draw 1 card and end the Battle Phase.
● You can remove from play this card and 1 face-up monster you control, then draw 2 cards.
● You can remove from play this card and 1 card from your hand, and place 1 card from your Graveyard on top of your Deck.
(Common)
 
                                                  SDMM-EN018
Armored Cybern
WIND | Machine-Type Union | Level 4 | ATK 0 | DEF 2000
Once per turn, during your Main Phase, you can equip this card to a "Cyber Dragon" you control, or to a Fusion Monster you control that lists "Cyber Dragon" as a Fusion Material Monster, OR unequip it to Special Summon this card in face-up Attack Position. Once per turn, while equipped to a monster by this effect, you can decrease the equipped monster's ATK by 1000 and destroy 1 face-up monster. (A monster can only by equipped with 1 Union Monster at a time. If the equipped monster would be destroyed, destroy this card instead.)
(Common)
 
                                                  SDMM-EN017
Yellow Gadget
EARTH | Machine | Level 4 | ATK 1200 | DEF 1200
When you Normal Summon or Special Summon this card, you can add 1 "Green Gadget" from your Deck to your hand.
(Common)
 
                                                  SDMM-EN016
Red Gadget
EARTH | Machine | Level 4 | ATK 1300 | DEF 1500
When you Normal Summon or Special Summon this card, you can add 1 "Yellow Gadget" from your Deck to your hand.
(Common)
 
                                                  SDMM-EN015
Green Gadget
EARTH | Machine | Level 4 | ATK 1400 | DEF 600
When you Normal Summon or Special Summon this card, you can add 1 "Red Gadget" from your Deck to your hand.
(Common)
 
                                                  SDMM-EN014
Proto-Cyber Dragon
LIGHT | Machine | Level 3 | ATK 1100 | DEF 600
This card's name is treated as "Cyber Dragon" while it is face-up on the field.
(Common)
 
                                                  SDMM-EN013
Cyber Dragon (original artwork)
LIGHT | Machine | Level 5 | ATK 2100 | DEF 1600
If your opponent controls a monster and you control no monsters, you can Special Summon this card from your hand.
(Common)
 
                                                  SDMM-EN012
Heavy Mech Support Platform
DARK | Machine-Type Union | Level 3 | ATK 500 | DEF 500
Once per turn, during your Main Phase, you can equip this card to a Machine-Type monster you control as an Equip Card, OR unequip it and Special Summon it in face-up Attack Position. While equipped by this effect, that monster gains 500 ATK and DEF. (A monster can only be equipped with 1 Union Monster at a time. If the equipped monster would be destroyed, this card is destroyed instead.)
(Common)
 
                                                  SDMM-EN011
Blast Sphere
DARK | Machine | Level 4 | ATK 1400 | DEF 1400
If your opponent's monster attacks this face-down Defense Position card, this card becomes an Equip Card equipped to the attacking monster, before damage calculation. Destroy the equipped monster during your opponent's next Standby Phase, and inflict damage to your opponent equal to the destroyed monster's ATK.
(Common)
 
                                                  SDMM-EN010
Kinetic Soldier
EARTH | Machine | Level 3 | ATK 1350 | DEF 1800
When battling a Warrior-Type monster, this card gains 2000 ATK and DEF during damage calculation only.
(Common)
 
                                                  SDMM-EN009
Machina Force
EARTH | Machine | Level 10 | ATK 4600 | DEF 4100
This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with "Commander Covington". This card cannot declare an attack unless you pay 1000 Life Points. You can send this card from the field to the Graveyard to select and Special Summon one each of "Machina Soldier", "Machina Sniper", and "Machina Defender" from your Graveyard.
(Common)
 
                                                  SDMM-EN008
Machina Defender
EARTH | Machine | Level 4 | ATK 1200 | DEF 1800
FLIP: Add 1 "Commander Covington" from your Deck to your hand.
(Common)
 
                                                  SDMM-EN007
Machina Sniper
EARTH | Machine | Level 4 | ATK 1800 | DEF 800
"Machina" monsters cannot be attacked, except "Machina Sniper".
(Common)
 
                                                  SDMM-EN006
Machina Soldier
EARTH | Machine | Level 4 | ATK 1600 | DEF 1500
When this card is Normal Summoned while you control no monsters, you can Special Summon 1 "Machina" monster from your hand, except "Machina Soldier".
(Common)
 
                                                  SDMM-EN005
Commander Covington
EARTH | Machine | Level 4 | ATK 1000 | DEF 600
You can send one face-up "Machina Soldier", "Machina Sniper", and "Machina Defender" you control to the Graveyard to Special Summon 1 "Machina Force" from your hand or your Deck.
(Common)
 
                                                  SDMM-EN004
Scrap Recycler
EARTH | Machine | Level 3 | ATK 900 | DEF 1200
When this card is Normal or Special Summoned, you can select and send 1 Machine-Type monster from your Deck to the Graveyard. Once per turn, you can return 2 Level 4 Machine-Type EARTH monsters from your Graveyard to the Deck to draw 1 card.
(Common)
 
                                                  SDMM-EN003
Machina Peacekeeper
EARTH | Machine-Type Union | Level 2 | ATK 500 | DEF 400
When this card on the field is destroyed and sent to the Graveyard, you can add 1 Union Monster from your Deck to your hand. Once per turn, during your Main Phase, you can equip this card to a Machine-Type monster you control as an Equip Card, OR unequip it to Special Summon this card in face-up Attack Position. (A monster can only be equipped with 1 Union Monster at a time. If the equipped monster would be destroyed, destroy this card instead.)
(Super Rare)
 
                                                  SDMM-EN002
Machina Gearframe
EARTH | Machine-Type Union | Level 4 | ATK 1800 | DEF 0
When this card is Normal Summoned, you can add 1 "Machina" monster, except "Machina Gearframe", from your Deck to your hand. Once per turn, during your Main Phase, you can equip this card to a Machine-Type monster you control as an Equip Card, OR unequip it to Special Summon this card in face-up Attack Position. (A monster can only be equipped with 1 Union Monster at a time. If the equipped monster would be destroyed, destroy this card instead.)
(Super Rare)
 
                                                  SDMM-EN001
Machina Fortress
EARTH | Machine | Level 7 | ATK 2500 | DEF 1600
You can discard Machine-Type monster(s) whose total Levels equal 8 or more to Special Summon this card from your hand or Graveyard. When this card is destroyed by battle and sent to the Graveyard, select and destroy 1 card your opponent controls. When this face-up card you control is targeted by an opponent's Effect Monster's effect, look at your opponent's hand and discard 1 card from their hand.
(Ultra Rare)