Aya of the Kamamura

Ninjutsu {u}{u}
When Aya of the Kamamura enters the battlefield, return one Ninja at random from
your graveyard to play.

"A flash of blinding light and choking smoke burst in
our midst. We could see nothing. But we heard her.
A woman's laugh, that came from every corner of the
room. When the smoke cleared, Lord Akechi lay before
us -- his throat cut."