WATER 4

Once per turn: You can reveal any number of "Nekroz" cards in your hand; increase or reduce this card's Level by the number of revealed cards until the end of this turn. If this card is Tributed by a card effect: You can add 1 "Nekroz" monster from your Deck to your hand, except a Ritual Monster. You can only use this effect of "Ariel, Priestess of the Nekroz" once per turn.

WATER 4

When this card is Normal Summoned: You can Special Summon 1 "Nekroz" monster from your Deck, except "Avance, Swordsman of the Nekroz". If you Ritual Summon exactly 1 "Nekroz" Ritual Monster with a card effect that requires use of monsters, this card you control can be used as the entire Tribute. If this card is Tributed by card effect: You can add any number of your banished "Nekroz" cards with different names to your hand. You can only use this effect of "Avance, Swordsman of the Nekroz" once per Duel.

WATER 4

Your opponent cannot activate cards or effects in response to the activation of a "Nekroz" Ritual Spell Card. "Nekroz" Ritual Monsters you control cannot be targeted by an opponent's card effects. If this card is Tributed by a card effect: You can target 1 of your banished "Necroz" monsters, except "Dance Princess of the Nekroz"; add it to your hand. You can only use this effect of "Dance Princess of the Nekroz" once per turn.

LIGHT 1

If this card is sent to the GY: You can banish up to 2 other LIGHT Fairy monsters from your field and/or GY; add the same number of Level 2 or lower LIGHT Fairy monsters with different names from your Deck to your hand, except "Eva". You can only use this effect of "Eva" once per turn.

WATER 4

If this card is Tributed by a card effect: You can add 1 Spellcaster-Type "Nekroz" Ritual Monster from your Deck to your hand. If this card is banished: You can send 1 "Nekroz" monster from your Deck to the Graveyard, except "Great Sorcerer of the Nekroz". You can only use 1 "Great Sorcerer of the Nekroz" effect per turn, and only once that turn.

LIGHT 2

When your opponent activates a Spell Card (Quick Effect): You can send this card and 1 other Fairy monster from your hand to the GY; negate the activation, and if you do, destroy it.

LIGHT 2

When your opponent activates a Trap Card (Quick Effect): You can send this card and 1 other Fairy monster from your hand to the GY; negate the activation, and if you do, destroy it.

WATER 3

If you Ritual Summon exactly 1 "Nekroz" Ritual Monster with a card effect that requires use of monsters, this card can be used as the entire requirement. If this card is Tributed by a card effect: You can add 1 Warrior "Nekroz" Ritual Monster from your Deck to your hand. You can only use this effect of "Shurit, Strategist of the Nekroz" once per turn.

LIGHT 95

[ Pendulum Effect ] If your "Nekroz" card(s) is banished face-up (except during the Damage Step): You can target 1 Spell/Trap on the field; banish it. You can only use this effect of "Nekroz of Metaltron" once per turn. [ Monster Effect ] You can Ritual Summon this card with any "Nekroz" Ritual Spell. Must be Ritual Summoned, without using any Level 9 monsters. During the Main Phase (Quick Effect): You can target 1 face-up monster your opponent controls; banish this card (until the End Phase), and if you do, banish the targeted monster. You can only use this effect of "Nekroz of Metaltron" once per turn. Any monster destroyed by battle with your "Nekroz" monster is banished.

WATER 6

You can Ritual Summon this card with any "Nekroz" Ritual Spell. Must be Ritual Summoned, without using "Nekroz of Brionac". You can only use each of these effects of "Nekroz of Brionac" once per turn. ● You can discard this card; add 1 "Nekroz" monster from your Deck to your hand, except "Nekroz of Brionac". ● You can target up to 2 face-up monsters on the field that were Special Summoned from the Extra Deck; shuffle them into the Deck.

WATER 3

You can Ritual Summon this card with any "Nekroz" Ritual Spell. Must be Ritual Summoned. You can only use each of these effects of "Nekroz of Clausolas" once per turn. ● You can discard this card; add 1 "Nekroz" Spell/Trap from your Deck to your hand. ● (Quick Effect): You can target 1 face-up monster on the field that was Special Summoned from the Extra Deck; until the end of this turn, that target's ATK becomes 0, also that target's effects are negated.

WATER 10

You can Ritual Summon this card with any "Nekroz" Ritual Spell Card. Must be Ritual Summoned without using any Level 10 monsters, and cannot be Special Summoned by other ways. You can only use each of these effects of "Nekroz of Decisive Armor" once per turn. ● During either player's turn: You can discard this card, then target 1 "Nekroz" monster you control; it gains 1000 ATK and DEF until the end of this turn. ● You can target 1 Set card your opponent controls; destroy it, and if you do, banish it.

LIGHT 11

You can Ritual Summon this card with any "Nekroz" Ritual Spell Card. Must be Ritual Summoned from your hand by using 3 monsters you control with different Types, and cannot be Special Summoned by other ways. During either player's Main Phase 1: You can discard this card and 1 "Nekroz" Spell Card; your opponent cannot Special Summon monsters from the Extra Deck during this phase. When this card is Ritual Summoned: You can banish all other cards on the field and in the Graveyards. You cannot Normal Summon/Set or Special Summon other monsters the turn you activate this effect.

WATER 9

You can Ritual Summon this card with any "Nekroz" Ritual Spell. Must be Ritual Summoned, without using any Level 9 monsters. You can only use each of these effects of "Nekroz of Trishula" once per turn. ● When a card or effect is activated that targets a "Nekroz" monster(s) you control (Quick Effect): You can discard this card; negate the activation. ● When this card is Ritual Summoned, you can: Banish exactly 3 of your opponent's cards, 1 each from their hand, field, and GY. (The card in the hand is chosen at random.)

WATER 4

You can Ritual Summon this card with any "Nekroz" Ritual Spell. Must be Ritual Summoned. You can discard this card, then target 1 "Nekroz" card in your GY, except "Nekroz of Unicore"; add it to your hand. You can only use this effect of "Nekroz of Unicore" once per turn. Negate the effects of face-up monsters on the field that were Special Summoned from the Extra Deck.

WATER 8

You can Ritual Summon this card with any "Nekroz" Ritual Spell. Must be Ritual Summoned, without using any Level 8 monsters. You can only use each of these effects of "Nekroz of Valkyrus" once per turn. ● When an opponent's monster declares an attack: You can banish 1 "Nekroz" card from your GY and discard this card; negate the attack, then end the Battle Phase. ● During your Main Phase: You can Tribute up to 2 monsters from your hand and/or field, and if you do, draw the same number of cards you Tributed.

LIGHT 2

If this card is Normal or Special Summoned: You can send 1 Fairy monster from your Deck or Extra Deck to the GY, and if you do, increase this card's Level by that monster's Level, until the end of this turn. If this card is Tributed: You can Special Summon 1 Level 2 or lower Fairy monster from your hand or Deck, except "Diviner of the Herald". You can only use each effect of "Diviner of the Herald" once per turn.

LIGHT 2

When your opponent activates a monster effect (Quick Effect): You can send this card and 1 other Fairy monster from your hand to the GY; negate the activation, and if you do, destroy it.

Spell Normal

This card can be used to Ritual Summon any "Nekroz" Ritual Monster. Tribute monsters from your hand or field, then Ritual Summon 1 "Nekroz" Ritual Monster from your hand or GY whose Level exactly equals the total Levels of those monsters. You can only use this effect of "Nekroz Cycle" once per turn. If you control no monsters: You can banish this card and 1 "Nekroz" monster from your GY; add 1 "Nekroz" Spell from your Deck to your hand.

Spell Quick

During the Main Phase: Ritual Summon 1 "Nekroz" Ritual Monster from your hand or banishment, by Tributing monsters from your hand and/or field, and/or sending "Nekroz" monsters from your Extra Deck to the GY, whose total Levels equal or exceed its Level. During your Main Phase: You can banish this card and 1 "Nekroz" monster from your GY; add 1 "Nekroz" Spell from your Deck to your hand. You can only use each effect of "Nekroz Divinemirror" once per turn.

Spell Normal

This card can be used to Ritual Summon any number of "Nekroz" Ritual Monsters. Tribute 1 monster from your hand or field, or send 1 monster from your Extra Deck to the GY, also after that, Ritual Summon any number of "Nekroz" monsters whose total Levels exactly equal the Level of that monster. You can only use this effect of "Nekroz Kaleidoscope" once per turn. If you control no monsters: You can banish this card and 1 "Nekroz" monster from your GY; add 1 "Nekroz" Spell from your Deck to your hand.

Spell Normal

Add 1 Level 7 or lower Ritual Monster from your Deck to your hand, then you can add 1 Ritual Spell from your GY to your hand.

Spell Field

If only you control a Spellcaster monster, your opponent cannot activate Spell Cards. If you control no Spellcaster monsters, you cannot activate Spell Cards.

Spell Normal

Add 1 Field Spell from your Deck to your hand.

Spell Normal

If your opponent has activated a monster effect during your Main Phase this turn: Activate 1 of these effects; ● Draw 2 cards. ● Take control of 1 monster your opponent controls until the End Phase. ● Look at your opponent's hand, and choose 1 card from it to shuffle into the Deck. You can only activate 1 "Triple Tactics Talent" per turn.

Spell Normal

If your opponent has activated a monster effect during this turn: Set 1 Normal Spell/Trap directly from your Deck, except "Triple Tactics Thrust", or if your opponent controls a monster, you can add it to your hand instead. That Set card cannot be activated this turn. You can only activate 1 "Triple Tactics Thrust" per turn.

Trap Continuous

During the Main Phase, you can: Fusion Summon 1 "Shaddoll" Fusion Monster from your Extra Deck, by banishing Fusion Materials listed on it from your field or GY, but it cannot attack directly. Then, you can send to the GY 1 monster your opponent controls with the same Attribute as that Fusion Summoned monster. You can only use this effect of "Shaddoll Schism" once per turn.

WATER 9

1 "Shaddoll" monster + 1 WATER monster Must first be Fusion Summoned. Neither player can Special Summon monsters from the hand or GY using Spell/Trap effects. If this card is sent to the GY: You can target 1 "Shaddoll" Spell/Trap in your GY; add it to your hand.

DARK 6

2 "Shaddoll" monsters with different Attributes Must first be Fusion Summoned. Cannot be destroyed by battle. You can only use each of the following effects of "El Shaddoll Apkallone" once per turn. ● If this card is Special Summoned: You can target 1 face-up card on the field; negate its effects. ● If this card is sent to the GY: You can add 1 "Shaddoll" card from your Deck or GY to your hand, then discard 1 card.

DARK 5

1 "Shaddoll" monster + 1 DARK monster Must first be Fusion Summoned. Cannot be destroyed by an opponent's card effects. Each player can only Special Summon monster(s) once per turn while this card is face-up on the field. If this card is sent to the GY: You can target 1 "Shaddoll" Spell/Trap in your GY; add it to your hand.

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.

EARTH 6

1 Rock monster in your GY + 1 Level 5 or 6 monster Must first be Special Summoned with "Fossil Fusion". This card can make up to 2 attacks on monsters during each Battle Phase. When this card destroys an opponent's monster by battle: You can inflict 800 damage to your opponent. You can banish this card from your GY, then target 1 Spell/Trap on the field; destroy it. You can only use this effect of "Fossil Machine Skull Wagon" once per turn.

EARTH 6

1 Rock monster + 1 Level 5 or 6 monster Must first be Special Summoned with "Fossil Fusion". If this card attacks a Defense Position monster, inflict piercing battle damage. When this attacking card destroys a monster by battle: You can activate this effect; this card can make a second attack in a row. You can banish this card from your GY, then target 1 monster on the field; destroy it. You can only use this effect of "Fossil Warrior Skull Knight" once per turn.

EARTH

2 monsters with different names If a monster is Special Summoned to a zone this card points to: You can apply the following effects, in sequence, based on the card types of the monster(s) this card points to. ● Ritual: Draw 2 cards, then discard 2 cards. ● Fusion: Special Summon 1 Level 4 or lower monster from your GY. ● Synchro: All monsters you control gain 700 ATK. ● Xyz: All monsters your opponent controls lose 700 ATK. You can only use this effect of "Cross-Sheep" 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.

LIGHT 4

1 Tuner + 1+ non-Tuner monsters Any monster sent from the hand or Main Deck to the GY is banished instead. When a Spell/Trap Card, or monster effect, is activated (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy that card. If this card is sent to the GY: You can add 1 Ritual Monster or 1 Ritual Spell from your Deck to your hand.

LIGHT 8

1 Tuner + 1+ non-Tuner monsters Once per turn, during the Main Phase (Quick Effect): You can banish both this face-up card from the field and 1 random card from your opponent's hand, face-up, until your next Standby Phase. Once per turn, during your opponent's Standby Phase: You can target 1 banished card; return it to the GY. If this card is in your GY: You can target 1 other card in the GY; shuffle both that card and this card from the GY into the Deck.

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.

WATER

2 Level 2 Aqua-Type monsters Once per turn, during the Standby Phase: You can detach 1 Xyz Material from this card; Special Summon 1 "Frog" monster from your Deck. Once per turn, during either player's turn, when your opponent activates a Spell/Trap Card, or monster effect: You can send 1 Aqua-Type monster from your hand or face-up from your field to the Graveyard; negate the activation, and if you do, destroy that card, then you can Set it to your field. If this card is sent to the Graveyard: You can target 1 WATER monster in your Graveyard; add it to your hand.

EARTH 3

When this card is Normal Summoned: You can send 1 Level 4 or lower monster from your Deck to the GY. When this card is destroyed by battle and sent to the GY: You can draw 1 card.

LIGHT 4

When a card or effect is activated that would inflict damage to you (Quick Effect): You can discard this card; negate the activation, and if you do, destroy that card. During the Battle Phase (Quick Effect): You can discard this card; reduce the next battle damage you would take this turn to 0. You can banish this card from your GY; add 1 "Performage" monster from your Deck to your hand, except "Performage Damage Juggler". You can only use this effect of "Performage Damage Juggler" once per turn.

LIGHT 4

If this card is sent to the GY: You can target 1 "Performage" monster in your GY; Special Summon it, but its ATK/DEF become 0, then you take 1000 damage. You can only use this effect of "Performage Trick Clown" once per turn.

WATER 4

FLIP: You can target 1 of your banished "Shaddoll" monsters; Special Summon it in face-up or face-down Defense Position. If this card is sent to the GY by a card effect: You can target up to 3 cards in the GY(s); banish them. You can only use 1 "Naelshaddoll Ariel" effect per turn, and only once that turn.

WIND 3

FLIP: You can Special Summon 1 "Shaddoll" monster from your Deck in face-up or face-down Defense Position, except "Reeshaddoll Wendi". If this card is sent to the GY by a card effect: You can Special Summon 1 "Shaddoll" monster from your Deck in face-down Defense Position, except "Reeshaddoll Wendi". You can only use 1 "Reeshaddoll Wendi" effect per turn, and only once that turn.

DARK 5

FLIP: You can draw 2 cards, then discard 1 card. If this card is sent to the GY by a card effect: You can draw 1 card. You can only use 1 "Shaddoll Beast" effect per turn, and only once that turn.

DARK 4

FLIP: You can target 1 card your opponent controls; return it to the hand. If this card is sent to the GY by a card effect: You can target 1 Spell/Trap on the field; destroy it. You can only use 1 "Shaddoll Dragon" effect per turn, and only once that turn.

DARK 3

FLIP: You can add 1 "Shaddoll" Spell/Trap from your Deck to your hand. If this card is sent to the GY by a card effect: You can add 1 "Shaddoll" monster from your Deck to your hand, except "Shaddoll Hedgehog". You can only use 1 "Shaddoll Hedgehog" effect per turn, and only once that turn.

DARK 4

FLIP: You can target 1 monster on the field; destroy it. If this card is sent to the GY by a card effect: You can send 1 "Shaddoll" card from your Deck to the GY, except "Shaddoll Squamata". You can only use 1 "Shaddoll Squamata" effect per turn, and only once that turn.

DARK 2

FLIP: You can target 1 "Shaddoll" monster in your GY, except "Shaddoll Falco"; Special Summon it in face-down Defense Position. If this card is sent to the GY by a card effect: You can Special Summon it in face-down Defense Position. You can only use 1 "Shaddoll Falco" effect per turn, and only once that turn.

Spell Quick

Change all face-up monsters on the field to face-down Defense Position. During the End Phase of this turn, change as many face-down Defense Position monsters your opponent controls as possible to face-up Defense Position, then your opponent draws cards equal to the number of monsters changed face-up by 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 Quick

Fusion Summon 1 "Shaddoll" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material. You can only activate 1 "El Shaddoll Fusion" per turn.

Spell Quick

Special Summon 1 Level 3 or lower Psychic-Type monster from your hand or Deck, but banish it during the End Phase of this turn.

Spell Normal

Send 1 monster from your Deck to the GY.

Spell Quick

Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.

Spell Normal

Destroy all Spell and Trap Cards your opponent controls.

Spell Normal

Fusion Summon 1 "Shaddoll" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material. If your opponent controls a monster that was Special Summoned from the Extra Deck, you can also use monsters in your Deck as Fusion Material. You can only activate 1 "Shaddoll Fusion" 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.

Trap Continuous

During the Main Phase, you can: Fusion Summon 1 "Shaddoll" Fusion Monster from your Extra Deck, by banishing Fusion Materials listed on it from your field or GY, but it cannot attack directly. Then, you can send to the GY 1 monster your opponent controls with the same Attribute as that Fusion Summoned monster. You can only use this effect of "Shaddoll Schism" once per turn.

DARK 6

2 "Shaddoll" monsters with different Attributes Must first be Fusion Summoned. Cannot be destroyed by battle. You can only use each of the following effects of "El Shaddoll Apkallone" once per turn. ● If this card is Special Summoned: You can target 1 face-up card on the field; negate its effects. ● If this card is sent to the GY: You can add 1 "Shaddoll" card from your Deck or GY to your hand, then discard 1 card.

LIGHT 8

1 "Shaddoll" monster + 1 LIGHT monster Must first be Fusion Summoned. If this card is Special Summoned: You can send 1 "Shaddoll" card from your Deck to the GY. At the start of the Damage Step, if this card battles a Special Summoned monster: Destroy that monster. If this card is sent to the GY: You can target 1 "Shaddoll" Spell/Trap in your GY; add it to your hand.

FIRE 7

1 "Shaddoll" monster + 1 FIRE monster Must first be Fusion Summoned. When your opponent would Special Summon a monster(s) while you have a "Shaddoll" card in your hand (Quick Effect): You can negate the Summon, and if you do, destroy that monster, then send 1 "Shaddoll" card from your hand to the GY. You can only use this effect of "El Shaddoll Grysta" once per turn. If this card is sent to the GY: You can target 1 "Shaddoll" Spell/Trap in your GY; add it to your hand.

EARTH 10

1 "Shaddoll" monster + 1 EARTH monster Must first be Fusion Summoned. When a Special Summoned monster activates its effect while you have a "Shaddoll" card in your hand (Quick Effect): You can negate the activation, and if you do, destroy that monster, then send 1 "Shaddoll" card from your hand to the GY. You can only use this effect of "El Shaddoll Shekhinaga" once per turn. If this card is sent to the GY: You can target 1 "Shaddoll" Spell/Trap in your GY; add it to your hand.

DARK 5

1 "Shaddoll" monster + 1 DARK monster Must first be Fusion Summoned. Cannot be destroyed by an opponent's card effects. Each player can only Special Summon monster(s) once per turn while this card is face-up on the field. If this card is sent to the GY: You can target 1 "Shaddoll" Spell/Trap in your GY; add it to your hand.

DARK 8

2 DARK monsters on the field, except Tokens If this card is Fusion Summoned: You can make this card gain ATK equal to 1 opponent's Special Summoned monster, until the end of this turn. Once per turn: You can target 1 Level 5 or higher monster your opponent controls; until the End Phase, this card's name becomes that monster's original name, and replace this effect with that monster's original effects. If this Fusion Summoned card is destroyed: You can destroy all your opponent's Special Summoned monsters.

EARTH

2 monsters with different names If a monster is Special Summoned to a zone this card points to: You can apply the following effects, in sequence, based on the card types of the monster(s) this card points to. ● Ritual: Draw 2 cards, then discard 2 cards. ● Fusion: Special Summon 1 Level 4 or lower monster from your GY. ● Synchro: All monsters you control gain 700 ATK. ● Xyz: All monsters your opponent controls lose 700 ATK. You can only use this effect of "Cross-Sheep" 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+ monsters with different names If this card is Link Summoned: You can discard 1 card, then target 1 card on the field; shuffle it into the Deck, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Unicorn" once per turn. While any co-linked "Knightmare" monsters are on the field, for your normal draw in your Draw Phase, draw 1 card for each different card name among those co-linked "Knightmare" monsters, instead of drawing just 1 card.

LIGHT

2 Effect Monsters You can target 1 face-up monster your opponent controls this card points to; this turn, if you Link Summon a Link-5 monster using this card you control, you can also use that monster your opponent controls as material. You can only use this effect of "Moon of the Closed Heaven" once per turn.

LIGHT

2 Flip monsters During your Main Phase: You can Fusion Summon 1 "Shaddoll" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material. If this card is in your GY: You can send 1 "Shaddoll" card from your hand or face-up field to the GY, and if you do, Special Summon this card. You can only use each effect of "Shaddoll Construct" 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.