BOK: Ink-Eyes, Servant of Oni (Foil) Catan — Whenever you attack

— Whenever you attack

The gentle embrace of the Winding Constrictor

First to Compile all three Protocols grasps those concepts to win the game

Collection - Dragapult Prime Includes:

You may reveal that card and put it into your hand

BOK: Ink-Eyes, Servant of Oni (Foil) Catan — Whenever you attackNinjutsu {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.