Engraver of the Mark (BOSH-EN041)

When your opponent activates a card or effect by declaring exactly 1 card name (Quick Effect): You can send this card from your hand to the GY; declare 1 other card name. The card name your opponent declared becomes the card name declared by this effect. Once per turn (Quick Effect): You can target 1 face-up card on the field; destroy it during the End Phase of the next turn.

Spellcaster / Effect, Breakers of Shadow