Shiori, the Silent Wind

Ninjutsu abilities you activate cost {1} less.
Ninjutsu {u}{b} (Return an unblocked attacker you control to hand: Put this card onto the battlefield from
your hand tapped and attacking.)
Whenever a Ninja you control deals combat
damage to a player, you may return a Ninja you control to your hand and draw a card.
"As swift as the breeze, as sharp as a razor."