Yuriko, the Tiger's Shadow (FCA-060) - FINAL FANTASY: Through the Ages / Yuffie Kisaragi (Borderless)

Commander ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.)
Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.