Return to Index Forward to Hybrid Fanfic Season 8 Part 1's Episode Cards →
Wanna read the episodes instead? Click here.

My Yu-Gi-Oh Hybrid Fanfic Season 7 Part 5's Episode Cards

1. Card names in the info are from the time they were released so they may differ from the links below.
Viper the Ruler of Poisonous Snakes (Part 3)
Turn 8: Thelonious Viper
Snake Rain
SPELL / Normal Spell
Sends 4 Reptile monsters from your Deck to the Grave by discarding 1 card.
More Info: https://yugipedia.com/wiki/Snake_Rain
Turn 8: Yugi Muto
Soul Shield
TRAP
/ Normal Trap
Prevents the destruction of 1 monster on the field in battle by paying half your Life Points, then ends the Battle Phase.

More Info: https://yugipedia.com/wiki/Soul_Shield
Turn 9: Yugi Muto
Stronghold the Moving Fortress
TRAP
/ Continuous Trap
1. Special Summons itself as a Level 4 EARTH Machine Effect Monster with 0 ATK and 2000 DEF to your field in Defense Mode, but is still a Trap Card. 2. Gains 3000 ATK if you control "Green Gadget", "Red Gadget", and "Yellow Gadget".
More Info: https://yugipedia.com/wiki/Stronghold_the_Moving_Fortress
Turn 9: Yugi Muto
Dark Magician Girl
DARK / Effect Monster / Level 6 / ATK 2000 / DEF 1700
(Spellcaster / Effect)

Gains 300 ATK for all "Dark Magician" or "Magician of Black Chaos" in either Grave.

More Info:
https://yugipedia.com/wiki/Dark_Magician_Girl
Turn 9: Yugi Muto
Magic Formula
SPELL / Equip Spell
1. Equips to "Dark Magician" or "Dark Magician Girl" and gives it 700 ATK. 2. Gives you 1000 Life Points if sent from the field to the Grave.
More Info: https://yugipedia.com/wiki/Magic_Formula
Turn 9: Yugi Muto
Soul Release
SPELL / Normal Spell
Banishes up to 5 cards from either Grave.

More Info: https://yugipedia.com/wiki/Soul_Release
Turn 9: Thelonious Viper
Vennominaga the Deity of Poisonous Snakes (via its effect)
DARK / Effect Monster / Level 10 / ATK 0 / DEF 0
(Reptile / Effect)

1. Only Special Summoned with "Rise of the Snake Deity" or its effect. 2. Gains 500 ATK for all Reptile monsters in your Grave. 3. Not affected by other cards or effects and unable to be targeted by them. 4. Can revive itself from your Grave to your field if destoyed in battle by banishing 1 other Reptile monster from your Grave. 5. Gets 1 Hyper-Venom Counter on it if it deals the opponent battle damage. 6. Wins you the Duel if it has 3 Hyper-Venom Counters on it.
More Info: https://yugipedia.com/wiki/Vennominaga_the_Deity_of_Poisonous_Snakes
Viper the Ruler of Poisonous Snakes (Part 2)
Turn 5: Yugi Muto
Soul Shield
TRAP
/ Normal Trap
Prevents the destruction of 1 monster on the field in battle by paying half your Life Points, then ends the Battle Phase.

More Info: https://yugipedia.com/wiki/Soul_Shield
Turn 6: Yugi Muto
Monster Reborn
SPELL / Normal Spell
Revives 1 monster from either Grave to your field.

More Info: https://yugipedia.com/wiki/Monster_Reborn
Turn 6: Yugi Muto
Silent
Magician LV4 (via Monster Reborn)
LIGHT / Effect Monster / Level 4 / ATK 1000 / DEF 1000
(Spellcaster / Effect)

1. Gets 1 Spell Counter on it if the opponent draws a card(s) (max. 5). 2. Gains 500 ATK for all Spell Counters on it. 3. Can Special Summon 1 "Silent Magician LV8" from your hand or Deck to your field by sending itself to the Grave with 5 Spell Counters on it at your next Standby Phase.
More Info: https://yugipedia.com/wiki/Silent_Magician_LV4
Turn 6: Yugi Muto
Magical Dimension
SPELL / Quick-Play Spell
Special Summons 1 Spellcaster monster from your hand to your field by Tributing 1 monster while you control a Spellcaster monster, then can destroy 1 monster on the field.

More Info: https://yugipedia.com/wiki/Magical_Dimension
Turn 6: Yugi Muto
Dark Magician (via Magical Dimension)
DARK / Normal Monster / Level 7 / ATK 2500 / DEF 2100
(Spellcaster / Normal)

The ultimate wizard in terms of attack and defense.
More Info:
https://yugipedia.com/wiki/Dark_Magician
Turn 6: Thelonious Viper
Rise of the Snake Deity
TRAP
/ Normal Trap
Special Summons 1 "Vennominaga the Deity of Poisonous Snakes" from your hand or Deck to your field if a face-up "Vennominon the King of Poisonous Snakes" you control is destroyed by an effect.

More Info:
https://yugipedia.com/wiki/Rise_of_the_Snake_Deity
Turn 6: Thelonious Viper
Vennominaga the Deity of Poisonous Snakes
DARK / Effect Monster / Level 10 / ATK 0 / DEF 0
(Reptile / Effect)

1. Only Special Summoned with "Rise of the Snake Deity" or its effect. 2. Gains 500 ATK for all Reptile monsters in your Grave. 3. Not affected by other cards or effects and unable to be targeted by them. 4. Can revive itself from your Grave to your field if destoyed in battle by banishing 1 other Reptile monster from your Grave. 5. Gets 1 Hyper-Venom Counter on it if it deals the opponent battle damage. 6. Wins you the Duel if it has 3 Hyper-Venom Counters on it.
More Info: https://yugipedia.com/wiki/Vennominaga_the_Deity_of_Poisonous_Snakes
Turn 6: Yugi Muto
Card of Sanctity
SPELL / Normal Spell
Forces you to banish all other cards you control and in your hand (min. 1 from each), then draw cards from your Deck until you have 2 in your hand.

More Info: https://yugipedia.com/wiki/Card_of_Sanctity
Turn 6: Yugi Muto
Watapon (via its effect)
LIGHT / Effect Monster / Level 1 / ATK 200 / DEF 300
(Fairy / Effect)

Can be Special Summoned from your hand to your field if added from your Deck to your hand by an effect.

More Info: https://yugipedia.com/wiki/Watapon
Turn 6: Yugi Muto
Buster Blader
EARTH / Effect Monster / Level 7 / ATK 2600 / DEF 2300
(Warrior / Effect)

Gains 500 ATK for all Dragon monsters the opponent controls and in their Grave.

More Info: https://yugipedia.com/wiki/Buster_Blader
Turn 6: Yugi Muto
Soul Release
SPELL / Normal Spell
Banishes up to 5 cards from either Grave.

More Info: https://yugipedia.com/wiki/Soul_Release
Turn 7: Thelonious Viper
Vennominaga the Deity of Poisonous Snakes (via its effect)
DARK / Effect Monster / Level 10 / ATK 0 / DEF 0
(Reptile / Effect)

1. Only Special Summoned with "Rise of the Snake Deity" or its effect. 2. Gains 500 ATK for all Reptile monsters in your Grave. 3. Not affected by other cards or effects and unable to be targeted by them. 4. Can revive itself from your Grave to your field if destoyed in battle by banishing 1 other Reptile monster from your Grave. 5. Gets 1 Hyper-Venom Counter on it if it deals the opponent battle damage. 6. Wins you the Duel if it has 3 Hyper-Venom Counters on it.
More Info: https://yugipedia.com/wiki/Vennominaga_the_Deity_of_Poisonous_Snakes
Viper the Ruler of Poisonous Snakes (Part 1)
Turn 1: Thelonious Viper
Pot of Greed
SPELL / Normal Spell
Draw 2 cards.
More Info: https://yugipedia.com/wiki/Pot_of_Greed
Turn 1: Thelonius Viper
Venom Serpent
DARK / Effect Monster / Level 4 / ATK 1000 / DEF 800
(Reptile / Effect)
Can put 1 Venom Counter on 1 monster the opponent controls once per turn.

More Info: https://yugipedia.com/wiki/Venom_Serpent
Turn 2: Yugi Muto
Silent
Magician LV4
LIGHT / Effect Monster / Level 4 / ATK 1000 / DEF 1000
(Spellcaster / Effect)

1. Gets 1 Spell Counter on it if the opponent draws a card(s) (max. 5). 2. Gains 500 ATK for all Spell Counters on it. 3. Can Special Summon 1 "Silent Magician LV8" from your hand or Deck to your field by sending itself to the Grave with 5 Spell Counters on it at your next Standby Phase.
More Info: https://yugipedia.com/wiki/Silent_Magician_LV4
Turn 2: Thelonius Viper
Snake Whistle
TRAP
/ Normal Trap
Special Summons 1 Level 4 or lower Reptile monster from Deck to your field if a Reptile monster you control is destroyed.

More Info: https://yugipedia.com/wiki/Snake_Whistle
Turn 2: Thelonious Viper
Venom Serpent (via Snake Whistle)
DARK / Effect Monster / Level 4 / ATK 1000 / DEF 800
(Reptile / Effect)
Can put 1 Venom Counter on 1 monster the opponent controls once per turn.

More Info: https://yugipedia.com/wiki/Venom_Serpent
Turn 3: Thelonious Viper
Venom Swamp
SPELL / Field Spell
1. Places 1 Venm Counter on all face-up non-"Venom" monsters on the field at each player's End Phases. 2. Lowers the ATK of monsters with a Venom Counter by 500 for each Venom Counter on them. 3. Destroys a monster if its ATK becomes 0 by this effect.
More Info: https://yugipedia.com/wiki/Venom_Swamp
Turn 3: Thelonious Viper
Venom Boa
EARTH / Effect Monster / Level 5 / ATK 1600 / DEF 1200
(Reptile / Effect)
Can put 2 Venom Counters on 1 monster the opponent controls once per turn, but cannot attack that turn.

More Info: https://yugipedia.com/wiki/Venom_Boa
Turn 3: Yugi Muto
Soul Rope
TRAP
/ Normal Trap
Special Summons 1 Level 4 monster fromyour Deck to your field by paying 1000 Life Points if a monster you control is destroyed by an effect and sent to the Grave outside the Damage Step.

More Info: https://yugipedia.com/wiki/Soul_Rope
Turn3: Yugi Muto
Beta the Magnet Warrior (via Soul Rope)
EARTH / Normal Monster / Level 4 / ATK 1700 / DEF 1600
(Rock / Normal)

Alpha, Beta, and Gamma meld as one to form a powerful monster.
More Info:
https://yugipedia.com/wiki/Beta_The_Magnet_Warrior
Turn 4: Yugi Muto
Summoned Skull
DARK / Normal Monster / Level 6 / ATK 2500 / DEF 1200
(Fiend / Normal)

A fiend with dark powers for confusing the enemy. Among the Fiend-Type monsters, this monster boasts considerable force.


(Always an "Archfiend" card.)

More Info: https://yugipedia.com/wiki/Summoned_Skull
Turn 4: Thelonius Viper
Damage = Reptile
TRAP
/ Continuous Trap
Special Summons 1 Reptile monster from Deck to your field with ATK less than or equal  to battle damage you took from a battle involvin a Reptile monster once per turn.

More Info: https://yugipedia.com/wiki/Damage_=_Reptile
Turn 4: Thelonious Viper
Vennominon the King of Poisonous Snakes (via Damage = Reptile)
DARK / Effect Monster / Level 8 / ATK 0 / DEF 0
(Reptile / Effect)

1. Unable to be Special Summoned with another Effect Monster's effect. 2. Not affected by "Venom Swamp". 3. Gains 500 ATK for all Reptile monsters in your Grave. 4. Can revive itself from your Grave to your field if destoyed in battle by banishing 1 other Reptile monster from your Grave.
More Info:
https://yugipedia.com/wiki/Vennominon_the_King_of_Poisonous_Snakes
Turn 5: Thelonious Viper
Snake Rain
SPELL / Normal Spell
Sends 4 Reptile monsters from your Deck to the Grave by discarding 1 card.
More Info: https://yugipedia.com/wiki/Snake_Rain
Venom Swamp (Part 3)
Turn 15: Seto Kaiba
Vorse Raider (Set in Defense Mode via Cyber Jar)
DARK / Normal Monster / Level 4 / ATK 1900 / DEF 1200
(Beast-Warrior / Normal)

This wicked Beast-Warrior does every horrid thing imaginable, and loves it! His axe bears the marks of his countless victims.
More Info:
https://yugipedia.com/wiki/Vorse_Raider
Turn 16: Seto Kaiba
Thunder Dragon (via its effect)
DARK / Effect Monster / Level 8 / ATK 0 / DEF 0
(Reptile / Effect)
Can discard itself to add up to 2 "Thunder Dragon" from your Deck to your hand.

More Info: https://yugipedia.com/wiki/Thunder_Dragon
Turn 16: Seto Kaiba
Polymerization
SPELL / Normal Spell
Performs a Fusion Summon of 1 Fusion Monster in your Extra Deck, using monsters from your hand or field as Fusion Material.

More Info: https://yugipedia.com/wiki/Venom_Swamp
Turn 16: Seto Kaiba
Twin-Headed Thunder Dragon
LIGHT / Fusion Monster / Level 7 / ATK 2800 / DEF 2100
(Thunder / Fusion)
"Thunder Dragon" + "Thunder Dragon"

More Info:
https://yugipedia.com/wiki/Twin-Headed_Thunder_Dragon
Turn 16: Seto Kaiba
Megamorph

SPELL / Equip Spell
Doubles the equipped monster's original ATK if your Life Points are less than the opponent's or halves the equipped monster's original ATK if your Life Points are higher than the opponent's.

More Info: https://yugipedia.com/wiki/Megamorph
Turn 16: Thelonious Viper
Vennominaga the Deity of Poisonous Snakes (via its effect)
DARK / Effect Monster / Level 10 / ATK 0 / DEF 0
(Reptile / Effect)

1. Only Special Summoned with "Rise of the Snake Deity" or its effect. 2. Gains 500 ATK for all Reptile monsters in your Grave. 3. Not affected by other cards or effects and unable to be targeted by them. 4. Can revive itself from your Grave to your field if destoyed in battle by banishing 1 other Reptile monster from your Grave. 5. Gets 1 Hyper-Venom Counter on it if it deals the opponent battle damage. 6. Wins you the Duel if it has 3 Hyper-Venom Counters on it.
More Info: https://yugipedia.com/wiki/Vennominaga_the_Deity_of_Poisonous_Snakes
Turn 17: Thelonious Viper
Venom Snake
EARTH / Effect Monster / Level 3 / ATK 1200 / DEF 600
(Reptile / Effect)
Can put 1 Venom Counter on 1 monster the opponent controls once per turn, but cannot attack that turn.

More Info: https://yugipedia.com/wiki/Venom_Boa
Turn 17: Thelonious Viper
Venom Shot
SPELL / Normal Spell
Puts 2 Venom Counters on 1 face-up monster the opponent controls by sending 1 Reptile monster from your Deck to the Grave if you control a face-up "Venom" monster, "Vennominaga the Deity of Poisonous Snakes", or "Vennominon the King of Poisonous Snakes".
More Info: https://yugipedia.com/wiki/Venom_Shot
Turn 18: Seto Kaiba
Chaos Emperor
Dragon - Envoy of the End
DARK / Effect Monster / Level 8 / ATK 3000 / DEF 2500
(Dragon / Effect)
1. Only Special Summoned from your hand to your field by banishing 1 LIGHT monster and 1 DARK monster from your Grave. 2. Can send as many cards on the field and in the hands as possible to the Grave by paying 1000 Life Points, then deals the opponent 300 damage per card sent to ther Grave this way. 3. Prevents you activating other cards effects that turn.

More Info:
https://yugipedia.com/wiki/Chaos_Emperor_Dragon_-_Envoy_of_the_End
Venom Swamp (Part 2)
Turn 10: Seto Kaiba
Silent Doom

SPELL / Normal Spell
Revives 1 Normal Monster from your Grave to your field face-up in Defense Mode, but prevents it from attacking.

More Info: https://yugipedia.com/wiki/Silent_Doom
Turn 10: Seto Kaiba
Blue-Eyes White Dragon (via Silent Doom)
LIGHT / Normal Monster / Level 8 / ATK 3000 / DEF 2500
(Dragon / Normal)

This legendary dragon is a powerful engine of destruction. Virtually invincible, very few have faced this awesome creature and lived to tell the tale.
More Info: https://yugipedia.com/wiki/Blue-Eyes_White_Dragon
Turn 10: Seto Kaiba
Giant Germ

DARK / Effect Monster / Level 2 / ATK 1000 / DEF 100
(Fiend / Effect)
Deals the opponent 500 damage if destroyed in battle and sent to the Grave, then can Special Summon up to 2 "Giant Germ" from your Deck to your field face-up in Atack Mode.
More Info: https://yugipedia.com/wiki/Giant_Germ
Turn 12: Seto Kaiba
Soul Release
SPELL / Normal Spell
Banishes up to 5 cards from either Grave.

More Info: https://yugipedia.com/wiki/Soul_Release
Turn 12: Seto Kaiba
Luster Dragon #2
WIND / Normal Monster / Level 6 / ATK 2400 / DEF 1400
(Dragon / Normal)

This dragon feeds on emerald. Enchanted by this monster even when attacked, few people live to tell of its beauty.
More Info: https://yugipedia.com/wiki/Luster_Dragon_2
Turn 12: Thelonious Viper
Vennominaga the Deity of Poisonous Snakes (via its effect)
DARK / Effect Monster / Level 10 / ATK 0 / DEF 0
(Reptile / Effect)

1. Only Special Summoned with "Rise of the Snake Deity" or its effect. 2. Gains 500 ATK for all Reptile monsters in your Grave. 3. Not affected by other cards or effects and unable to be targeted by them. 4. Can revive itself from your Grave to your field if destoyed in battle by banishing 1 other Reptile monster from your Grave. 5. Gets 1 Hyper-Venom Counter on it if it deals the opponent battle damage. 6. Wins you the Duel if it has 3 Hyper-Venom Counters on it.
More Info: https://yugipedia.com/wiki/Vennominaga_the_Deity_of_Poisonous_Snakes
Turn 13: Thelonious Viper
Snake Rain
SPELL / Normal Spell
Sends 4 Reptile monsters from your Deck to the Grave by discarding 1 card.
More Info: https://yugipedia.com/wiki/Snake_Rain
Turn 14: Seto Kaiba
Cyber Jar (Set in Defense Mode)

DARK / Effect Monster / Level 3 / ATK 900 / DEF 900
(Rock / Flip / Effect)
FLIP: 1. Destroys all monsters on the field. 2. Forces both players to reveal their Deck's top 5 cards (or as many as possible if less than 5), then Special Summon any Level 4 or lower monsters among them to their field face-up in Attack Mode or face-down in Defense Mode.
More Info: https://yugipedia.com/wiki/Giant_Germ
Turn 15: Thelonious Viper
Venom Snake
EARTH / Effect Monster / Level 3 / ATK 1200 / DEF 600
(Reptile / Effect)
Can put 1 Venom Counter on 1 monster the opponent controls once per turn, but cannot attack that turn.

More Info: https://yugipedia.com/wiki/Venom_Boa
Venom Swamp (Part 1)
Turn 4: ~Seto Kaiba~
Monster Reborn
Normal Spell
Target 1 monster in either GY; Special Summon it.
(Common)

More info: https://yugipedia.com/wiki/Monster_Reborn
Notes: In the dubbed original Yu-Gi-Oh anime, it was called "Reborn the Monster" during Season 1.
 
Turn 4; ~Seto Kaiba~
Different Dimension Dragon
LIGHT | Dragon | Level 5 | ATK 1200 | DEF 1500
This card cannot be destroyed by Spell/Trap effects that do not target it. This card cannot be destroyed by battle with a monster that has 1900 or less ATK.
(Common)

More Info: https://yugipedia.com/wiki/Different_Dimension_Dragon
Notes: 1. Card was Special Summoned with "Monster Reborn". 2. In the original Yu-Gi-Oh anime, its original ATK was 1400.
 
Turn 4: ~Seto Kaiba~
Pot of Greed
Normal Spell
Draw 2 cards.
(Common)

More info: https://yugipedia.com/wiki/Pot_of_Greed
Notes: None
 
Turn 4: ~Seto Kaiba~
Polymerization
Normal Spell
Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material.
(Common)

More info: https://yugipedia.com/wiki/Polymerization
Notes: In the Yu-Gi-Oh animes, it fused monsters together.
 
TUrn 4: Seto Kaiba~
Blue-Eyes Ultimate Dragon
LIGHT | Dragon-Type Fusion | Level 12 | ATK 4500 | DEF 3800
"Blue-Eyes White Dragon" + "Blue-Eyes White Dragon" + "Blue-Eyes White Dragon"
(Common)

More Info: https://yugipedia.com/wiki/Blue-Eyes_Ultimate_Dragon
Notes: 1. During season 1 of the original Yu-Gi-Oh anime: 1A. It counted as 3 individual heads of "Blue-Eyes White Dragon" and wasn't destroyed if any of the heads were taken off. 1B. In the same anime, a head could also be revived with the stats of "Blue-Eyes White Dragon". 2. In the TCG, the Gold Series reprint of this card has the wrong DEF.
 
Turn 4: ~Thelonious Viper~
Rise of the Snake Deity
Normal Trap
When a face-up "Vennominon the King of Poisonous Snakes" you control is destroyed, except by battle: Special Summon 1 "Vennominaga the Deity of Poisonous Snakes" from your hand or Deck.
(Common)

More Info: https://yugipedia.com/wiki/Rise_of_the_Snake_Deity
Notes: In the GX anime, it was called "Rise of the Sacred Deity", though the dubbed GX anime only briefly called it this.
 
Turn 4: ~Thelonious Viper~
Vennominaga the Deity of Poisonous Snakes
DARK | Reptile | Level 10 | ATK 0 | DEF 0
Cannot be Normal Summoned/Set. Must be Special Summoned with "Rise of the Snake Deity" or by its own effect. Gains 500 ATK for each Reptile monster in your GY. Neither player can target this card with card effects, also it is unaffected by other cards and their effects. When this card is destroyed by battle and sent to the GY: You can banish 1 other Reptile monster from your GY; Special Summon this card. When this card inflicts battle damage to your opponent: Place 1 Hyper-Venom Counter on it. When the 3rd Hyper-Venom Counter is placed on this card, you win the Duel.
(Common)

More Info: https://yugipedia.com/wiki/Vennominaga_the_Deity_of_Poisonous_Snakes
Notes: In the GX anime, it did not gain any counters. The owner simply won the Duel after their opponent's 3rd Standby Phase from when they took battle damage from it 3 times.
 
Turn 5: ~Thelonious Viper~
Venom Swamp
Field Spell
During each player's End Phase: Place 1 Venom Counter on each face-up monster, except "Venom" monsters. Monsters lose 500 ATK for each Venom Counter on them. Destroy a monster if its ATK becomes 0 by this effect.
(Common)

More Info: https://yugipedia.com/wiki/Venom_Swamp
Notes: None
 
Turn 5: ~Seto Kaiba~
Shadow Spell
Continuous Trap
Activate this card by targeting 1 face-up monster your opponent controls; it loses 700 ATK, also it cannot attack or change its battle position. When it leaves the field, destroy this card.
(Common)

More Info: https://yugipedia.com/wiki/Shadow_Spell
Notes: 1. Card was activated, but was unable to resolve as its target was unaffected. 2. During Season 1 of the original Yu-Gi-Oh anime, it was a Spell Card.
 
Tutn 6: ~Seto Kaiba~
Card of Demise
Normal Spell
Draw until you have 3 cards in your hand, also for the rest of this turn after this card resolves, your opponent takes no damage. During the End Phase of this turn, send your entire hand to the GY. You can only activate 1 "Card of Demise" per turn. You cannot Special Summon during the turn you activate this card.
(Common)

More Info: https://yugipedia.com/wiki/Card_of_Demise
Notes: In the original Yu-Gi-Oh anime  and my fanfic, it allowed the owner to draw cards until they had 5 in their hand, then they lost what cards were in their hand after 5 turns.
 
Turn 7: ~Thelonious Viper~
Venom Shot
Normal Spell
Activate only while you control a face-up "Venom" monster, "Vennominaga the Deity of Poisonous Snakes", or "Vennominon the King of Poisonous Snakes". Send 1 Reptile-Type monster from your Deck to the Graveyard and place 2 Venom Counters on 1 face-up monster your opponent controls.
(Common)

More Info: https://yugipedia.com/wiki/Venom_Shot
Notes: In the GX anime, it couldn't be activated unless the owner controlled Vennominon or Vennominaga.
 
Turn 8: ~Seto Kaiba~
Giant Germ
DARK | Fiend | Level 2 | ATK 1000 | DEF 100
When this card is destroyed by battle and sent to the Graveyard: Inflict 500 damage to your opponent, then you can Special Summon any number of "Giant Germs" from your Deck in face-up Attack Position.
(Common)

More Info: https://yugipedia.com/wiki/Giant_Germ
Notes: None
 
Turn 8: ~Seto Kaiba~
Crush Card Virus
Normal Trap
Tribute 1 DARK monster with 1000 or less ATK; your opponent takes no damage until the end of the next turn after this card resolves, also, you look at your opponent's hand and all monsters they control, and if you do, destroy the monsters among them with 1500 or more ATK, then your opponent can destroy up to 3 monsters with 1500 or more ATK in their Deck.
(Common)

More Info: https://yugipedia.com/wiki/Crush_Card_Virus
Notes: 1. In the dubbed original Yu-Gi-Oh anime, it was called "Crush Card" and was initially a Spell Card. 2. In the original Yu-Gi-Oh anime, it destroyed all monsters with 1500 ATK on the field and in opponent's hand and Deck, preventing them from playing that monster later in the Duel.