Haku, of the Frozen Mirrors

Ninjutsu {2}{u}{u}
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.
"I can't hold back...I'm a child. I don't know how."
—Haku, of the Frozen Mirrors