Serizawa Street Magician

Ninjutsu {u}{r} ({u}{r}, Return an unblocked attacker
you control to hand: Put this card onto the battlefield
from your hand tapped and attacking.)
Whenever Serizawa Street Magician deals combat damage to a player, exile target instant card from
your graveyard. You may cast that card for as
long as it remains exiled.
Their masks grin because ninja magic must always be performed with a smile.