DARK 2

If this card is in your hand: You can Fusion Summon 1 "D/D/D" Fusion Monster from your Extra Deck, using monsters from your hand as Fusion Materials, including this card. You can banish this card from your Graveyard; Special Summon 1 "D/D" monster from your hand. You can only use each effect of "D/D Swirl Slime" once per turn.

DARK 7

If this card is in your hand: You can Tribute 1 Dragon-Type monster and 1 other Fiend-Type monster from your hand and/or your side of the field; Special Summon this card. Once per turn: You can discard 1 card; this card gains 500 ATK, then you can destroy 1 Spell/Trap Card on the field. This ATK increase lasts until the end of this turn.

DARK 8

1 "D/D/D" monster + 1 "D/D" monster If a "D/D" monster you control attacks a Defense Position monster, inflict piercing battle damage to your opponent. Once per turn, during your Standby Phase: You can destroy all cards in the Spell & Trap Zones.

FIRE 6

2 "D/D" monsters If another "D/D" monster(s) is Special Summoned to your field, while you control this face-up card (except during the Damage Step): You can target 1 "D/D" monster in your Graveyard; Special Summon it. You can only use this effect of "D/D/D Flame King Genghis" once per turn. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can target 1 "Dark Contract" card in your Graveyard; add it to your hand.

DARK 7

2 "D/D" monsters Any effect that would inflict damage to you makes you gain that much LP, instead.

DARK 10

2 "D/D/D" monsters Once per turn, when an attack is declared involving this card: You can target 1 other "D/D" or "Dark Contract" card you control; return it to the hand, and if you do, equip 1 face-up monster your opponent controls to this card, except the battling monster. This card gains ATK equal to the combined original ATK of the monsters equipped to it by this effect.

DARK 110

[ Pendulum Effect ] You cannot Pendulum Summon monsters, except "D/D" monsters. This effect cannot be negated. Once per turn, during your Standby Phase: Reduce this card's Pendulum Scale by 2 (min. 1), then destroy all monsters you control with a Level greater than or equal to this card's Pendulum Scale, except "D/D" monsters. [ Monster Effect ] If this card is Normal or Special Summoned: You can activate 1 of these effects. You can only use this effect of "D/D Savant Kepler" once per turn. ● Target 1 other "D/D" card you control; return it to the hand. ● Add 1 "Dark Contract" card from your Deck to your hand.

DARK 74

[ Pendulum Effect ] You can banish 2 "D/D" monsters from your Graveyard; Special Summon this card from your Pendulum Zone. [ Monster Effect ] During your opponent's turn, if this card is in your hand or Graveyard: You can target 2 face-up Spell/Trap Cards you control; you cannot Special Summon monsters for the rest of this turn, except Fiend-Type monsters, also destroy the targeted cards, and if you do, Special Summon this card (this is a Quick Effect). You can only use this effect of "D/D/D Chaos King Apocalypse" once per turn.

DARK 74

[ Pendulum Effect ] You can target 1 face-up monster on the field; its DEF becomes 0 until the end of this turn (even if this card leaves the field). You can only use this effect of "D/D/D Supersight King Zero Maxwell" once per turn. [ Monster Effect ] Before damage calculation, if this card attacks an opponent's Defense Position monster: You can change the DEF of that opponent's monster to 0 until the end of the Damage Step. If this card attacks a Defense Position monster, inflict piercing battle damage. You take no battle damage from battles involving this card.

WIND 10

1 Tuner + 1+ non-Tuner monsters If 3 or more "D/D/D" monsters are on the field, this card gains 3000 ATK. If another "D/D" monster(s) is Normal or Special Summoned to your field while this monster is on the field (except during the Damage Step): You can target 1 "D/D" monster in your GY; Special Summon it. You can only use this effect of "D/D/D Gust High King Alexander" once per turn.

DARK 3

When this card is Normal Summoned: You can target 1 "D/D" monster in your Graveyard; Special Summon it, also you cannot Special Summon monsters for the rest of this turn, except Fiend-Type monsters. That monster's ATK and DEF become 0. If it is destroyed, you take 1000 damage.

Spell Quick

Target 1 face-up monster on the field; change that target to face-down Defense Position.

Spell Quick

Pay 1000 LP, then target 1 Spell/Trap on the field; banish it.

Spell Continuous

During 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.

Spell Continuous

During 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.

Trap Continuous

You 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 2

If this card is in your hand: You can Fusion Summon 1 "D/D/D" Fusion Monster from your Extra Deck, using monsters from your hand as Fusion Materials, including this card. You can banish this card from your Graveyard; Special Summon 1 "D/D" monster from your hand. You can only use each effect of "D/D Swirl Slime" once per turn.

FIRE 6

2 "D/D" monsters If another "D/D" monster(s) is Special Summoned to your field, while you control this face-up card (except during the Damage Step): You can target 1 "D/D" monster in your Graveyard; Special Summon it. You can only use this effect of "D/D/D Flame King Genghis" once per turn. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can target 1 "Dark Contract" card in your Graveyard; add it to your hand.

DARK 74

[ Pendulum Effect ] You can banish 2 "D/D" monsters from your Graveyard; Special Summon this card from your Pendulum Zone. [ Monster Effect ] During your opponent's turn, if this card is in your hand or Graveyard: You can target 2 face-up Spell/Trap Cards you control; you cannot Special Summon monsters for the rest of this turn, except Fiend-Type monsters, also destroy the targeted cards, and if you do, Special Summon this card (this is a Quick Effect). You can only use this effect of "D/D/D Chaos King Apocalypse" once per turn.

Spell Quick

Target 1 face-up monster on the field; change that target to face-down Defense Position.

Spell Quick

Pay 1000 LP, then target 1 Spell/Trap on the field; banish it.