DARK 4

If this card is Normal or Special Summoned: You can add 1 "Labrynth" card from your Deck to your hand, except "Arianna the Labrynth Servant". If another monster(s) leaves the field by your Normal Trap effect (except during the Damage Step): You can draw 1 card, then you can apply this effect. ● From your hand, either Special Summon 1 Fiend monster, or Set 1 Spell/Trap. You can only use 1 "Arianna the Labrynth Servant" effect per turn, and only once that turn.

DARK 6

During the Main Phase (Quick Effect): You can send this card from your hand or field to the GY; Special Summon 1 "Labrynth" monster, or Set 1 Normal Trap, from your hand. The Set Normal Trap can be activated this turn. When your opponent activates a card or effect in response to your card or effect activation of a Normal Trap or a "Labrynth" card, except "Arias the Labrynth Butler" (Quick Effect): You can activate this effect in the GY; Special Summon this card. You can only use each effect of "Arias the Labrynth Butler" once per turn.

LIGHT 5

You can Set this card from your hand to your Spell & Trap Zone as a Spell. During your opponent's turn, if this Set card in the Spell & Trap Zone is destroyed and sent to your GY: Special Summon it. During your opponent's turn (Quick Effect): You can Tribute this card from your hand or face-up field; neither player can banish cards for the rest of this turn.

DARK 6

You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is sent from the field to the GY: You can target 1 Special Summoned monster your opponent controls; send it to the GY. You can only use each effect of "Bystial Druiswurm" once per turn.

DARK 6

You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is Special Summoned: You can activate this effect; during the End Phase of this turn, add 1 Dragon monster from your Deck or GY to your hand, except "Bystial Magnamhut". You can only use each effect of "Bystial Magnamhut" once per turn.

DARK 3

(Quick Effect): You can send this card from your hand or field to the GY and discard 1 card; Set 1 "Labrynth" Spell/Trap from your hand or Deck. If a monster(s) leaves the field by your Normal Trap effect, while this card is in your GY (except during the Damage Step): You can add this card to your hand. You can only use each effect of "Labrynth Chandraglier" once per turn.

DARK 2

(Quick Effect): You can send this card from your hand or field to the GY and discard 1 card; Set 1 "Labrynth" Spell/Trap from your hand or Deck. If a monster(s) leaves the field by your Normal Trap effect, while this card is in your GY (except during the Damage Step): You can Special Summon this card. You can only use each effect of "Labrynth Stovie Torbie" once per turn.

DARK 8

While you control a Set card, your opponent cannot target this card with card effects, also it cannot be destroyed by your opponent's card effects. You can only use each of the following effects of "Lady Labrynth of the Silver Castle" once per turn. If a "Labrynth" card or effect or a Normal Trap Card was activated this turn, except "Lady Labrynth of the Silver Castle" (Quick Effect): You can Special Summon this card from your hand in Defense Position. When a Normal Trap Card is activated (Quick Effect): You can Set 1 Normal Trap with a different name directly from your Deck.

DARK 8

Your opponent cannot activate monster effects in response to the activation of your Normal Trap Cards. You can only use each of the following effects of "Lovely Labrynth of the Silver Castle" once per turn. You can target 1 Normal Trap in your GY; Set it to your field, but it cannot be activated unless you control a Fiend monster. If another monster(s) leaves the field by your Normal Trap effect (except during the Damage Step): You can destroy 1 card in your opponent's hand (at random) or their field.

EARTH 2

During either player's turn: You can send this card from your hand to the Graveyard; this turn, each time your opponent Special Summons a monster(s), immediately draw 1 card. You can only use 1 "Maxx "C"" per turn.

WIND 4

If you control no cards (Quick Effect): You can discard this card; apply these effects this turn. ● Each time your opponent Special Summons a monster(s) from the Deck and/or Extra Deck, immediately draw 1 card. ● Once, during this End Phase, if the number of cards in your hand is more than the number of cards your opponent controls +6, you must randomly shuffle cards from your hand into the Deck so the number in your hand equals the number your opponent controls +6. You can only activate 1 other "Mulcharmy" monster effect, the turn you activate this effect.

Spell Quick

Target 1 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.

Spell Field

If you activate a Set "Welcome Labrynth" Normal Trap, you can add this additional effect to that card's effect at resolution. ● Also after that, destroy 1 card on the field. If you activate a non-"Labrynth" Normal Trap Card (except during the Damage Step): You can Special Summon 1 Fiend monster from your hand or GY. You can only use each effect of "Labrynth Labyrinth" once per turn.

Spell Normal

At the start of your Main Phase 1: Banish 3 or 6 random face-down cards from your Extra Deck, face-down; draw 1 card for every 3 cards banished. For the rest of this turn after this card resolves, you cannot draw any cards by card effects.

Spell Normal

Banish 3 or 6 cards of your choice from your Extra Deck, face-down; for the rest of this turn after this card resolves, any damage your opponent takes is halved, also excavate cards from the top of your Deck equal to the number of cards banished, add 1 excavated card to your hand, place the rest on the bottom of your Deck in any order. You can only activate 1 "Pot of Prosperity" per turn. You cannot draw cards by card effects the turn you activate this card.

Trap Normal

Special Summon 1 "Labrynth" monster from your hand, Deck, or GY, then return 1 monster you control to the hand. You can banish this card from your GY, then target 1 Fiend monster you control, or, if you control a Level 8 or higher Fiend monster, you can target 1 card your opponent controls instead; return that card to the hand. You can only use 1 "Big Welcome Labrynth" effect per turn, and only once that turn.

Trap Normal

Change as many monsters on the field as possible to face-down Defense Position, then, if either player controls a face-up monster(s), they must send all face-up monsters they control to the GY.

Trap Normal

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.

Trap Normal

Target 1 face-up monster your opponent controls; send 1 monster with an equal or higher ATK from your Extra Deck to the GY, and if you do, destroy that monster. Until the end of your next turn after this card resolves, you cannot Special Summon monsters from the Extra Deck. You can only activate 1 "Dogmatika Punishment" per turn.

Trap Normal

If your opponent controls a card, you can activate this card from your hand. When a card or effect is activated that includes an effect that Special Summons a monster(s): Negate that effect, then if you have a Trap in your GY, destroy that card. If you activated this card from your hand, you cannot activate the effects of LIGHT, EARTH, and WIND monsters for the rest of this Duel. You can only activate 1 "Dominus Impulse" per turn.

Trap Normal

Target 1 face-up Spell on the field; negate its effects (until the end of this turn), then you can place 1 "Dragon Tail" card from your GY or banishment on the bottom of the Deck, except "Dragon Tail Flame", then draw 1 card. You can only activate 1 "Dragon Tail Flame" per turn.

Trap Normal

Target 1 Attack Position monster on the field; return it to the hand/Extra Deck, then you can place 1 "Dragon Tail" card from your GY or banishment on the bottom of the Deck, except "Dragon Tail Horn", then draw 1 card. You can only activate 1 "Dragon Tail Horn" per turn.

Trap Normal

Target 1 monster in your opponent's GY; Special Summon it to your field, but its effects are negated, then, you can banish 1 monster from both players' fields that have the same Type as each other. You can only activate 1 "Ice Dragon's Prison" per turn.

Trap Normal

Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.

Trap Normal

If you have no monsters in your GY, you can activate this card from your hand. When your opponent activates a monster effect on the field: Negate that effect, then if you have a Trap in your GY, you can add 1 "Dominus" card from your Deck to your hand. If you activated this card from your hand, you cannot activate the effects of monsters in your hand, GY, and banishment, until the end of the next turn. You can only activate 1 "Songs of the Dominators" per turn.

Trap Normal

Banish 1 Normal Trap from your Deck, except "Trap Trick", and Set 1 card with the same name directly from your Deck, also it can be activated this turn. You can only activate 1 Trap Card for the rest of this turn after this card resolves. You can only activate 1 "Trap Trick" per turn.

Trap Normal

Special Summon 1 "Labrynth" monster from your Deck, also until the end of the next turn after this card resolves, you cannot Special Summon monsters from the Deck or Extra Deck, except Fiend monsters. If a monster leaves the field by your Normal Trap effect, while this card is in your GY, except the turn it was sent there: You can Set this card. You can only use each effect of "Welcome Labrynth" once per turn.

WIND 6

1 Beast monster + 1 Fiend monster This card's name becomes "Chimera the Flying Mythical Beast" while on the field or in the GY. You can only use each of the following effects of "Chimera the King of Phantom Beasts" once per turn. If this card is Fusion Summoned: You can activate this effect; send 1 random card from your opponent's hand to the GY during the End Phase of this turn. During your opponent's turn (Quick Effect): You can banish this card from your GY, then target 1 Beast, Fiend, or Illusion monster in your GY; Special Summon it.

LIGHT 4

1 Synchro Monster + 1 Xyz Monster Must be Special Summoned (from your Extra Deck) by sending the above cards you control to the GY. (You do not use "Polymerization".) Once per turn: You can Special Summon 1 Level 4 monster from your hand. If this card is sent to the GY: You can target 1 card on the field; destroy it. You can only Special Summon "Elder Entity N'tss(s)" once per turn.

DARK

2 Effect Monsters Cannot be used as Link Material the turn it is Link Summoned. If a monster(s) you control would be destroyed by battle or card effect, you can Tribute 1 Fiend monster instead. You can target 1 Fiend monster in your GY, except "Muckraker From the Underworld"; discard 1 card, and if you do, Special Summon that monster, also you cannot Special Summon monsters for the rest of this turn, except Fiend monsters. You can only use this effect of "Muckraker From the Underworld" once per turn.

DARK 10

1 Tuner + 1+ non-Tuner LIGHT or DARK monsters For this card's Synchro Summon, you can treat 1 LIGHT or DARK monster you control as a Tuner. If this card is Special Summoned: You can target 1 card on the field; banish it. This card gains these effects based on the original Attributes of materials used for its Synchro Summon. ● LIGHT: Synchro Monsters you control are unaffected by monster effects activated by your opponent. ● DARK: Monsters you control cannot be destroyed by battle.

LIGHT 6

1 Tuner + 1+ non-Tuner monsters If this card is Special Summoned: You can increase or decrease its Level by 1. If this card is sent to the GY: You can target 1 face-up card your opponent controls; return it to the hand. You can only use this effect of "Golden Cloud Beast - Malong" once per turn.

DARK

2+ Level 9 monsters If this card is Xyz Summoned: You can send 1 monster from your Extra Deck to the GY. You can target monsters in your GY, up to the number of materials this card has; detach materials from this card equal to the number of those targets in the GY, and if you do, attach those targets to this card as material. If this card is sent to the GY: You can target 1 face-up card on the field; negate its effects until the end of this turn. You can only use each effect of "Mereologic Aggregator" once per turn.

DARK

2 Level 12 monsters During the turn, or turn after, your opponent Special Summoned 2 or more monsters from the Extra Deck, you can also Xyz Summon this card by using 1 monster you control with the highest ATK (your choice, if tied). (Transfer its materials to this card.) If you do, you cannot Normal or Special Summon monsters for the rest of this turn. While this Xyz Summoned monster is on the field, neither player can activate the effects of monsters with 3000 or more ATK. Once per turn: You can detach 1 material from this card; return 1 monster from the field to the hand.

DARK 4

You can send 1 Normal Trap from your hand or that's Set on your field to the GY; Special Summon 1 Level 4 or lower Fiend monster from your Deck in Defense Position, except "Ariane the Labrynth Servant". If another monster(s) leaves the field by your Normal Trap effect (except during the Damage Step): You can draw 1 card, then you can apply this effect. ● From your hand, either Special Summon 1 Fiend monster, or Set 1 Spell/Trap. You can only use each effect of "Ariane the Labrynth Servant" once per turn.

DARK 4

If this card is Normal or Special Summoned: You can add 1 "Labrynth" card from your Deck to your hand, except "Arianna the Labrynth Servant". If another monster(s) leaves the field by your Normal Trap effect (except during the Damage Step): You can draw 1 card, then you can apply this effect. ● From your hand, either Special Summon 1 Fiend monster, or Set 1 Spell/Trap. You can only use 1 "Arianna the Labrynth Servant" effect per turn, and only once that turn.

DARK 6

During the Main Phase (Quick Effect): You can send this card from your hand or field to the GY; Special Summon 1 "Labrynth" monster, or Set 1 Normal Trap, from your hand. The Set Normal Trap can be activated this turn. When your opponent activates a card or effect in response to your card or effect activation of a Normal Trap or a "Labrynth" card, except "Arias the Labrynth Butler" (Quick Effect): You can activate this effect in the GY; Special Summon this card. You can only use each effect of "Arias the Labrynth Butler" once per turn.

LIGHT 4

Cannot be destroyed by battle with a monster Special Summoned from the Extra Deck. You can only use each of the following effects of "Dogmatika Ecclesia, the Virtuous" once per turn. If a monster Special Summoned from the Extra Deck is on the field: You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can activate this effect; add 1 "Dogmatika" card from your Deck to your hand, except "Dogmatika Ecclesia, the Virtuous", also you cannot Special Summon monsters from the Extra Deck for the rest of this turn.

DARK 1

(Quick Effect): You can discard this card; this turn, you can activate 1 Normal Trap Card that was Set this turn, if you control a "Labrynth" monster. If a card(s) is sent from your hand to the GY to activate your Normal Trap Card or your "Labrynth" card or effect, except "Labrynth Cooclock", while this card is in your GY (except during the Damage Step): You can add this card to your hand, or Special Summon it. You can only use each effect of "Labrynth Cooclock" once per turn.

DARK 2

(Quick Effect): You can send this card from your hand or field to the GY and discard 1 card; Set 1 "Labrynth" Spell/Trap from your hand or Deck. If a monster(s) leaves the field by your Normal Trap effect, while this card is in your GY (except during the Damage Step): You can Special Summon this card. You can only use each effect of "Labrynth Stovie Torbie" once per turn.

DARK 8

While you control a Set card, your opponent cannot target this card with card effects, also it cannot be destroyed by your opponent's card effects. You can only use each of the following effects of "Lady Labrynth of the Silver Castle" once per turn. If a "Labrynth" card or effect or a Normal Trap Card was activated this turn, except "Lady Labrynth of the Silver Castle" (Quick Effect): You can Special Summon this card from your hand in Defense Position. When a Normal Trap Card is activated (Quick Effect): You can Set 1 Normal Trap with a different name directly from your Deck.

DARK 8

Your opponent cannot activate monster effects in response to the activation of your Normal Trap Cards. You can only use each of the following effects of "Lovely Labrynth of the Silver Castle" once per turn. You can target 1 Normal Trap in your GY; Set it to your field, but it cannot be activated unless you control a Fiend monster. If another monster(s) leaves the field by your Normal Trap effect (except during the Damage Step): You can destroy 1 card in your opponent's hand (at random) or their field.

EARTH 2

During either player's turn: You can send this card from your hand to the Graveyard; this turn, each time your opponent Special Summons a monster(s), immediately draw 1 card. You can only use 1 "Maxx "C"" per turn.

WIND 4

If you control no cards (Quick Effect): You can discard this card; apply these effects this turn. ● Each time your opponent Special Summons a monster(s) from the Deck and/or Extra Deck, immediately draw 1 card. ● Once, during this End Phase, if the number of cards in your hand is more than the number of cards your opponent controls +6, you must randomly shuffle cards from your hand into the Deck so the number in your hand equals the number your opponent controls +6. You can only activate 1 other "Mulcharmy" monster effect, the turn you activate this effect.

FIRE 3

When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect. ● Add a card from the Deck to the hand. ● Special Summon from the Deck. ● Send a card from the Deck to the GY. You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.

Spell Field

If you activate a Set "Welcome Labrynth" Normal Trap, you can add this additional effect to that card's effect at resolution. ● Also after that, destroy 1 card on the field. If you activate a non-"Labrynth" Normal Trap Card (except during the Damage Step): You can Special Summon 1 Fiend monster from your hand or GY. You can only use each effect of "Labrynth Labyrinth" once per turn.

Spell Normal

Send 1 monster from your Extra Deck to the GY, then add 1 "Dogmatika" monster or "Fallen of Albaz" from your Deck or GY to your hand, that has ATK less than or equal to that sent monster in the GY, also, for the rest of this turn after this card resolves, you cannot Special Summon monsters from the Extra Deck. You can only activate 1 "Nadir Servant" per turn.

Spell Quick

Discard 1 card; Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from either field as Fusion Material. Neither player can activate cards or effects in response to this card's activation.

Spell Normal

Your opponent cannot activate monster effects in response to this card's activation. Send 1 monster from your Extra Deck to the GY, then target 1 monster your opponent controls with the same card type (Fusion, Synchro, Xyz, Pendulum, or Link); shuffle it into the Deck.

Trap Normal

If you control a Fiend monster: Target 1 card on the field; destroy it, then, you can send 1 Fiend monster from your Deck to the GY.

Trap Normal

Special Summon 1 "Labrynth" monster from your hand, Deck, or GY, then return 1 monster you control to the hand. You can banish this card from your GY, then target 1 Fiend monster you control, or, if you control a Level 8 or higher Fiend monster, you can target 1 card your opponent controls instead; return that card to the hand. You can only use 1 "Big Welcome Labrynth" effect per turn, and only once that turn.

Trap Normal

Change as many monsters on the field as possible to face-down Defense Position, then, if either player controls a face-up monster(s), they must send all face-up monsters they control to the GY.

Trap Normal

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.

Trap Normal

Target 1 face-up monster your opponent controls; send 1 monster with an equal or higher ATK from your Extra Deck to the GY, and if you do, destroy that monster. Until the end of your next turn after this card resolves, you cannot Special Summon monsters from the Extra Deck. You can only activate 1 "Dogmatika Punishment" per turn.

Trap Normal

Declare 1 Monster Card name; this turn, neither player can Special Summon monsters with that original name, except from the GY. You can banish this card from the GY, then declare 1 Monster Card name; this turn, neither player can activate the effects of monsters on the field with that original name. You can only use 1 "The Black Goat Laughs" effect per turn, and only once that turn.

Trap Normal

Pay half your LP, then target 1 Normal Trap in your opponent's GY, except "Transaction Rollback"; this effect becomes that card's activation effect. You can banish this card from your GY and pay half your LP, then target 1 Normal Trap in your GY, except "Transaction Rollback"; this effect becomes that card's activation effect. You can only use 1 "Transaction Rollback" effect per turn, and only once that turn.

Trap Normal

Special Summon 1 "Labrynth" monster from your Deck, also until the end of the next turn after this card resolves, you cannot Special Summon monsters from the Deck or Extra Deck, except Fiend monsters. If a monster leaves the field by your Normal Trap effect, while this card is in your GY, except the turn it was sent there: You can Set this card. You can only use each effect of "Welcome Labrynth" once per turn.

WIND 6

1 Beast monster + 1 Fiend monster This card's name becomes "Chimera the Flying Mythical Beast" while on the field or in the GY. You can only use each of the following effects of "Chimera the King of Phantom Beasts" once per turn. If this card is Fusion Summoned: You can activate this effect; send 1 random card from your opponent's hand to the GY during the End Phase of this turn. During your opponent's turn (Quick Effect): You can banish this card from your GY, then target 1 Beast, Fiend, or Illusion monster in your GY; Special Summon it.

LIGHT 4

1 Synchro Monster + 1 Xyz Monster Must be Special Summoned (from your Extra Deck) by sending the above cards you control to the GY. (You do not use "Polymerization".) Once per turn: You can Special Summon 1 Level 4 monster from your hand. If this card is sent to the GY: You can target 1 card on the field; destroy it. You can only Special Summon "Elder Entity N'tss(s)" once per turn.

DARK 6

2 monsters with the same Type and Attribute, but different names Any battle damage your opponent takes from battles involving this card is doubled. If this card is sent to the GY: You can draw 1 card. You can only use this effect of "Garura, Wings of Resonant Life" once per turn.

DARK

2+ monsters, including a Fiend monster During the Main Phase (Quick Effect): You can discard 1 card, then activate 1 of these effects; ● Destroy 1 card on the field. ● Banish this card (until the End Phase), and if you do, Special Summon 1 LIGHT or DARK monster from your GY. During your Standby Phase: You can draw cards equal to the number of different Monster Types in your GY, then place cards from your hand on the bottom of the Deck in any order, equal to the number of cards you drew. You can only use each effect of "A Bao A Qu, the Lightless Shadow" once per turn.

DARK

2 monsters, including a DARK monster (This card is always treated as a "Familiar-Possessed" card.) You can target 1 DARK monster in your opponent's GY; Special Summon it to your zone this card points to. If this Link Summoned card is destroyed by battle, or is destroyed by an opponent's card effect while in its owner's Monster Zone: You can add 1 DARK monster with 1500 or less DEF from your Deck to your hand. You can only use each effect of "Dharc the Dark Charmer, Gloomy" once per turn.

DARK

2 Effect Monsters If this card is Link Summoned using a Fusion, Synchro, Xyz, or Link Monster as material: You can target 1 card on the field or in either GY; banish it, also your monsters cannot attack directly this turn. When your opponent activates a card or effect (Quick Effect): You can target 2 face-up monsters on the field, including a monster you control; banish both until the End Phase. You can only use each effect of "S:P Little Knight" once per turn.

DARK

3+ Beast, Beast-Warrior, and/or Winged Beast monsters Cannot be Special Summoned from the Extra Deck unless you have 3 or more "Tri-Brigade" Spells/Traps in your GY. Your opponent cannot activate cards or effects when you Special Summon a monster(s). When a monster declares an attack: You can banish this card, also banish all cards your opponent controls. If this card is sent to the GY: You can send 1 Beast, Beast-Warrior, or Winged Beast monster from your Extra Deck to the GY. You can only use this effect of "Tri-Brigade Arms Bucephalus II" once per turn.

LIGHT

4+ Effect Monsters You can also use 1 monster your opponent controls as material to Link Summon this card. If this card is Link Summoned: You can negate the effects of all face-up monsters your opponent currently controls. This Link Summoned card is unaffected by your opponent's activated effects, unless they target this card. Once per turn, when your opponent activates a card or effect that Special Summons a monster(s) from the GY (Quick Effect): You can negate the activation.

DARK 10

1 Tuner + 1+ non-Tuner LIGHT or DARK monsters For this card's Synchro Summon, you can treat 1 LIGHT or DARK monster you control as a Tuner. If this card is Special Summoned: You can target 1 card on the field; banish it. This card gains these effects based on the original Attributes of materials used for its Synchro Summon. ● LIGHT: Synchro Monsters you control are unaffected by monster effects activated by your opponent. ● DARK: Monsters you control cannot be destroyed by battle.

WATER 8

1 Tuner + 1+ non-Tuner monsters If this card is Synchro Summoned, or sent to the GY: You can target 1 monster in your GY, or 1 face-up monster your opponent controls; discard 1 card, and if you do, place that monster in its owner's Spell & Trap Zone as a face-up Continuous Trap. During either player's turn, if this card is a Continuous Trap: You can Special Summon 1 face-up Monster Card from your Spell & Trap Zone. You can only use each effect of "Enigmaster Packbit" once per turn.

DARK

2+ Level 9 monsters If this card is Xyz Summoned: You can send 1 monster from your Extra Deck to the GY. You can target monsters in your GY, up to the number of materials this card has; detach materials from this card equal to the number of those targets in the GY, and if you do, attach those targets to this card as material. If this card is sent to the GY: You can target 1 face-up card on the field; negate its effects until the end of this turn. You can only use each effect of "Mereologic Aggregator" once per turn.

DARK

2 Level 12 monsters During the turn, or turn after, your opponent Special Summoned 2 or more monsters from the Extra Deck, you can also Xyz Summon this card by using 1 monster you control with the highest ATK (your choice, if tied). (Transfer its materials to this card.) If you do, you cannot Normal or Special Summon monsters for the rest of this turn. While this Xyz Summoned monster is on the field, neither player can activate the effects of monsters with 3000 or more ATK. Once per turn: You can detach 1 material from this card; return 1 monster from the field to the hand.