Asano One-Strike

Defender, deathtouch
Ninjutsu {u/b} ({u/b}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Asano One-Strike deals combat
damage to a player, return him to your hand.
"When there is a job to be done, I shall do it. When it
is done, I shall leave."