D/D Ghost

Fiend/Tuner/Effect

If this card is sent to the Graveyard: You can target 1 "D/D" monster or "Dark Contract" card in your Graveyard, except "D/D Ghost"; send 1 card from your Deck to the Graveyard with that name. If this card is banished: You can target 1 of your banished "D/D" monsters or "Dark Contract" cards, except "D/D Ghost"; return it to the Graveyard.

D/D Lamia

Fiend/Tuner/Effect

If this card is in your hand or Graveyard: You can send 1 "D/D" or "Dark Contract" card from your hand or face-up from your field to the Graveyard, except "D/D Lamia"; Special Summon this card, but banish it when it leaves the field. You can only use this effect of "D/D Lamia" once per turn.

D/D Necro Slime

Fiend/Effect

If this card is in your Graveyard: You can Fusion Summon 1 "D/D/D" Fusion Monster from your Extra Deck, by banishing Fusion Materials listed on it from your Graveyard, including this card. You can only use this effect of "D/D Necro Slime" once per turn.

D/D Swirl Slime

Fiend/Effect

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.

D/D Vice Typhon

Fiend/Effect

When this card is Normal Summoned: You can Tribute 1 "D/D" monster; Special Summon 1 Level 7 "D/D/D" monster from your Deck. During your Main Phase, if this card is in the GY because it was sent there this turn: You can Fusion Summon 1 Level 8 or higher "D/D/D" Fusion Monster from your Extra Deck, by banishing Fusion Materials listed on it from your GY, including this card. You can only use each effect of "D/D Vice Typhon" once per turn.

D/D Savant Copernicus

Fiend/Pendulum/Effect

Pendulum Effect: You cannot Pendulum Summon monsters, except "D/D" monsters. This effect cannot be negated. Once, while this card is in your Pendulum Zone, you can negate an activated Spell effect that would inflict damage to you, then destroy this card.
Monster Effect: If this card is Normal or Special Summoned: You can send 1 "D/D" or "Dark Contract" card from your Deck to the Graveyard, except "D/D Savant Copernicus". You can only use this effect of "D/D Savant Copernicus" once per turn.

D/D Savant Kepler

Fiend/Pendulum/Effect

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.

D/D Savant Thomas

Fiend/Pendulum/Effect

Pendulum Effect : During your Main Phase: You can add 1 face-up "D/D" Pendulum Monster from your Extra Deck to your hand. You can only use this effect of "D/D Savant Thomas" once per turn.
Monster Effect : You can target 1 "D/D" card in your Pendulum Zone; destroy that card, and if you do, Special Summon 1 Level 8 "D/D/D" monster from your Deck in Defense Position, but for the rest of this turn, its effects (if any) are negated, and any battle damage your opponent takes becomes halved. You can only use this effect of "D/D Savant Thomas" once per turn.

D/D/D Oblivion King Abyss Ragnarok

Fiend/Pendulum/Effect

Pendulum Effect : If you Special Summon a "D/D" monster(s), except during the Damage Step: You can target 1 "D/D" monster in your Graveyard; any battle damage your opponent takes becomes halved for the rest of this turn, also Special Summon that monster, and if you do, take 1000 damage. You can only use this effect of "D/D/D Oblivion King Abyss Ragnarok" once per turn.
Monster Effect : If this card is Normal or Special Summoned: You can target 1 "D/D/D" monster in your Graveyard; Special Summon it. You can only use this effect of "D/D/D Oblivion King Abyss Ragnarok" once per turn. Once per turn: You can Tribute 1 other "D/D" monster, then target 1 monster your opponent controls; banish it.

D/D/D Rebel King Leonidas

Fiend/Pendulum/Effect

Pendulum Effect : When you take effect damage (except during the Damage Step): You can destroy this card, and if you do, any effect that would inflict damage to a player this turn increases their LP by the same amount, instead.
Monster Effect : When you take effect damage (except during the Damage Step): You can Special Summon this card from your hand, and if you do, gain LP equal to the damage you took. You take no effect damage.

Allure of Darkness

Draw 2 cards, then banish 1 DARK monster from your hand, or, if you do not have any in your hand, send your entire hand to the GY.

Dark Contract with the Gate

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.

Dark Contract with the Swamp King

During your Main Phase: You can Fusion Summon 1 Fiend-Type Fusion Monster from your Extra Deck, using monsters from your hand or your side of the 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.

Foolish Burial

Send 1 monster from your Deck to the Graveyard.

Monster Reborn

Special Summon 1 monster from either player's Graveyard to your side of the field.

One for One

Send 1 monster from your hand to the GY; Special Summon 1 Level 1 monster from your hand or Deck.

Raigeki

Destroy all monsters your opponent controls.

Compulsory Evacuation Device

Return 1 monster on the field to its owner's hand.

Dimensional Barrier

Declare 1 monster card type (Ritual, Fusion, Synchro, Xyz, or Pendulum); for the rest of this turn, neither player can Special Summon monsters of the declared type, also negate the effects of all monsters of that type while they are on the field. You can only activate 1 "Dimensional Barrier" per turn.

Imperial Order

Negate all Spell effects on the field. Once per turn, during the Standby Phase, you must pay 700 LP (this is not optional), or this card is destroyed.

Wonder Xyz

Immediately after this effect resolves, Xyz Summon 1 Xyz Monster using monsters you control as Materials.

Wee Witch's Apprentice

Spellcaster/Link/Effect

2 DARK monsters
All DARK monsters on the field gain 500 ATK/DEF, also all LIGHT monsters on the field lose 400 ATK/DEF. If this card is destroyed by battle or card effect: You can target 1 DARK monster in your GY; add it to your hand. You can only use this effect of "Wee Witch's Apprentice" once per turn.

D/D/D Dragonbane King Beowulf

Fiend/Fusion/Effect

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.

D/D/D Flame High King Genghis

Fiend/Fusion/Effect

If another "D/D" monster(s) is Normal or 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 High King Executive Genghis" once per turn. Once per turn, during your turn, when a Spell/Trap Card or effect is activated: You can negate the activation (this is a Quick Effect).

D/D/D Flame King Genghis

Fiend/Fusion/Effect

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.

D/D/D Oracle King d'Arc

Fiend/Fusion/ Effect

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

D/D/D Wave Oblivion King Caesar Ragnarok

Fiend/Fusion/Effect

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.

Crystal Wing Synchro Dragon

Dragon/Synchro/Effect

1 Tuner + 1+ non-Tuner Synchro Monsters
Once per turn, when another monster's effect is activated (Quick Effect): You can negate the activation, and if you do, destroy that monster, and if you do that, this card gains ATK equal to the destroyed monster's original ATK until the end of this turn. If this card battles a Level 5 or higher monster your opponent controls, during damage calculation: This card gains ATK equal to the current ATK of the opponent's monster it is battling during that damage calculation only.

D/D/D Cursed King Siegfried

Fiend/Synchro/Effect

1 Tuner + 1 or more non-Tuner "D/D" monsters
During either player's turn: You can target 1 face-up Spell/Trap Card on the field; that target has its effects negated, until the next Standby Phase. You can only use this effect of "D/D/D Cursed King Siegfried" once per turn. If this card is destroyed by battle or card effect and sent to the Graveyard: Gain 1000 LP for each "Dark Contract" card you control.

D/D/D Gust King Alexander

Fiend/Synchro/Effect

1 "D/D" Tuner + 1 or more non-Tuner monsters
If another "D/D" monster(s) is Normal or Special Summoned to your field, while you control this face-up card (except during the Damage Step): You can target 1 Level 4 or lower "D/D" monster in your Graveyard; Special Summon it. You can only use this effect of "D/D/D Gust King Alexander" once per turn.

Formula Synchron

Machine/Synchro/Tuner/Effect

1 Tuner + 1 non-Tuner monster
When this card is Synchro Summoned: You can draw 1 card. During your opponent's Main Phase, you can: Immediately after this effect resolves, Synchro Summon using this card you control (this is a Quick Effect).

Odd-Eyes Meteorburst Dragon

Dragon/Synchro/Effect

1 Tuner + 1+ non-Tuner monsters
When this card is Special Summoned: You can target 1 card in your Pendulum Zone; Special Summon it, also this card cannot attack for the rest of this turn. You can only use this effect of "Odd-Eyes Meteorburst Dragon" once per turn. Monsters in your opponent's possession cannot activate their effects during the Battle Phase.

T.G. Hyper Librarian

Spellcaster/Synchro/Effect

1 Tuner + 1 or more non-Tuner monsters
While this card is face-up on the field, each time a Synchro Monster(s) is Synchro Summoned, draw 1 card for each.

D/D/D Duo-Dawn King Kali Yuga

Fiend/Xyz/Effect

2 Level 8 "D/D" monsters
After this card is Xyz Summoned, for the rest of this turn, other cards and their effects cannot be activated on the field, and other cards' effects on the field are negated. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card; destroy all Spell and Trap Cards on the field. You can detach 1 Xyz Material from this card, then target 1 "Dark Contract" Spell/Trap Card in your Graveyard; Set that target.

Number 38: Hope Harbinger Dragon Titanic Galaxy

Dragon/Xyz/Effect

2 Level 8 monsters
Once per turn, during either player's turn, when a Spell Card or effect is activated on the field: You can negate that effect, and if you do, attach that card to this card as Xyz Material. When an opponent's monster declares an attack: You can detach 1 Xyz Material from this card; change the attack target to this card and perform damage calculation. If a face-up Xyz Monster(s) you control is destroyed by battle or card effect: You can target 1 face-up Xyz Monster you control; it gains ATK equal to 1 of those destroyed monster's original ATK.

D/D/D Chaos King Apocalypse

Fiend/Pendulum/Effect

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.

Royal Decree

Negate all other Trap Card effects on the field.

Wonder Xyz

Immediately after this effect resolves, Xyz Summon 1 Xyz Monster using monsters you control as Materials.

D/D/D Gust High King Alexander

Fiend/Synchro/Effect

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.