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Card Text

When a monster your opponent controls activates its effect: You can send 1 face-up "Blackwing" monster you control to the GY; negate the activation, and if you do, destroy it, then, you can Special Summon 1 "Black-Winged Dragon" from your Extra Deck. If you control a "Blackwing" Synchro Monster or "Black-Winged Dragon", you can activate this card from your hand.

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