A-Dokuchi Silencer

Creature — Human Ninja — {1}{B}

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Dokuchi Silencer deals combat damage to a player, you may discard a card. When you do, destroy target creature or planeswalker that player controls.