Tsilent Tsunami

Ninjutsu {1}{u}{u}{b}{b} ({1}{u}{u}{b}{b}, Return an unblocked attacker you control to hand: Put this card
onto the battlefield from your hand tapped and
attacking.)
Whenever Tsilent Tsunami deals combat damage
to a player, return target permanent that player controls to its owner's hand, then that player
discards a card.