Akira Umezawa

Ninjutsu {1}{u}{b} ({1}{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, choose one—
•Target player draws a card.
•Target player discards a card.
If it was legendary, choose two instead.(Each
mode may be picked more than once.)