Ink-Eyes, Servant of Oni

Ninjutsu {3}{b}{b} ({3}{b}{b}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Ink-Eyes, Servant of Oni deals combat
damage to a player, you may put target creature card
from that player’s graveyard onto the battlefield
under your control.

{1}{b}: Regenerate Ink-Eyes, Servant of Oni