Dark Contract with Errors
Continuous TrapOnce per turn, if you control a "D/D" monster: You can negate all Trap Card effects on the field (other than this card's) for the rest of this turn (even if this card leaves the field). Once per turn, during your Standby Phase: Take 1000 damage.
Dark Contract with Patent License
Field SpellIf your opponent Special Summons a monster(s) with the same card type (Fusion, Synchro, Xyz, or Link) as a "D/D/D" monster you control (except during the Damage Step): You can inflict 1000 damage to your opponent, also, while this card is on the field, your opponent cannot Special Summon monsters with the same card type as that Special Summoned monster for the rest of this turn. If this card is sent to the GY: You can add 1 "D/D" monster from your GY, or 1 face-up "D/D" Pendulum Monster from your Extra Deck, to your hand. You can only use this effect of "Dark Contract with Patent License" once per turn.
Dark Contract with the Different Dimension
Continuous TrapOnce per turn, during your Standby Phase: Take 1000 damage. You can only use each of the following effects of "Dark Contract with the Different Dimension" once per turn. You can shuffle 2 "Dark Contract" cards from your GY into the Deck, then target 1 card in your opponent's field or GY; banish it. If this card is destroyed: You can gain 500 LP, then if it was destroyed by an opponent's card effect, gain another 500 LP.
Dark Contract with the Entities
Continuous SpellWhen a "D/D/D" monster of the below card type is Special Summoned from the Extra Deck to your field: You can activate the appropriate effect once per turn;
● Fusion: Gain 1000 LP.
● Synchro: Your opponent cannot target that Special Summoned monster with card effects.
● Xyz: Banish 1 card from the field or the Graveyard.
● Pendulum: Draw 1 card, then discard 1 card.
Once per turn, during your Standby Phase: Take 2000 damage.
Dark Contract with the Eternal Darkness
Continuous TrapWhile you have 2 "D/D" cards in your Pendulum Zones, your opponent cannot target monsters on the field with Spell/Trap effects, Tribute them for a Tribute Summon, nor use them as Materials for a Fusion, Synchro, or Xyz Summon. Once per turn, during your Standby Phase: Take 1000 damage.
Dark Contract with the Gate
Continuous SpellDuring your Main Phase: You can add 1 "D/D" monster from your Deck to your hand. You can only use this effect of "Dark Contract with the Gate" once per turn. Once per turn, during your Standby Phase: Take 1000 damage.
Dark Contract with the Swamp King
Continuous SpellDuring your Main Phase: You can Fusion Summon 1 Fiend-Type Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Materials. You can only use this effect of "Dark Contract with the Swamp King" once per turn. If Summoning a "D/D" Fusion Monster this way, you can also banish monsters from your Graveyard as Fusion Material. Once per turn, during your Standby Phase: Take 1000 damage.
Dark Contract with the Witch
Continuous TrapYou can send 1 "D/D" or "Dark Contract" card from your hand to the Graveyard, then target 1 card on the field; destroy it. You can only use this effect of "Dark Contract with the Witch" once per turn. All Fiend-Type monsters you control gain 1000 ATK during your opponent's turn only. Once per turn, during your Standby Phase: Take 1000 damage.
Dark Contract with the Yamimakai
Continuous SpellOnce per turn, during your Standby Phase: Take 1000 damage.
You can only use 1 of the following effects of "Dark Contract with the Yamimakai" per turn, and only once that turn.
● During your Main Phase: You can target 1 "D/D" Pendulum Monster in your Graveyard; place it in your Pendulum Zone.
● During your Main Phase: You can place 1 face-up "D/D" Pendulum Monster from your Extra Deck in your Pendulum Zone.
Dark Contract with the Zero King
Continuous Spell(This card is always treated as a "D/D" card.)
You can target 1 "D/D" card you control, except "Dark Contract with the Zero King"; destroy it, and if you do, Special Summon 1 "D/D" monster from your Deck, also you cannot Special Summon for the rest of this turn, except "D/D" monsters. You can only use this effect of "Dark Contract with the Zero King" once per turn. Once per turn, during your Standby Phase: Take 1000 damage.
Forbidden Dark Contract with the Swamp King
Continuous SpellOnce per turn: You can Special Summon 1 "D/D/D" monster from your hand in Defense Position, but its effects are negated. Once per turn: You can Fusion Summon 1 Fiend-Type Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Materials, including a monster Special Summoned by this card with the above effect. Once per turn, during your Standby Phase: Take 2000 damage.