Ninjutsu 
(
, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Biting-Palm Ninja enters the battlefield with a
menace (This creature can't be blocked except by two or more creatures.) counter on it.
Whenever Biting-Palm Ninja deals combat damage to a player, you may remove a
menace (This creature can't be blocked except by two or more creatures.) counter from it. When you do, that player reveals their hand and you choose a nonland card from it. Exile that card.