Higure, the Still Wind

Ninjutsu {2}{u}{u}({2}{u}{u}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Higure, the Still Wind deals combat
damage to a player, you may search your library
for a Ninja card, reveal it, put it into your hand,
then shuffle.
{2}: Target Ninja creature can't be blocked this
turn.