Toxicroak

Ninjutsu {2}{b}{u} ({2}{b}{u}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Infect (This creature deals damage to creatures in the
form of -1/-1 counters and to players in the form of
poison counters.)
Whenever Toxicroak deals combat damage to a player, that player discards two cards.