Kibo, Uktabi Prince [Jumpstart 2022] Alpha Edition if that spell's mana cost

if that spell's mana cost or that ability's activation cost contains {X}

Its controller mills that many cards

Set: The Brothers' War Prerelease Promos Type: Sorcery Rarity: Rare Cost: {1}{B} As an additional cost to cast this spell

Set: Streets of New Capenna Prerelease Promos Type: Land — Forest Plains Island Rarity: Rare ({T}: Add {G}

huge it was

Kibo, Uktabi Prince [Jumpstart 2022] Alpha Edition if that spell's mana costSet: Jumpstart 2022 Type: Legendary Creature Monkey Noble Rarity: Mythic Cost: {2}{G} {T}: Each player creates a colorless artifact token named Banana with "{T}, Sacrifice this artifact: Add {R} or {G}. You gain 2 life." Whenever an artifact an opponent controls is put into a graveyard from the battlefield, put a +1 +1 counter on each creature you control that's an Ape or Monkey. Whenever Kibo attacks, defending player sacrifices an artifact.