Death's Oasis [Ikoria: Lair of Behemoths Prerelease Promos] 30th Anniversary History Promos Whenever you cast an instant

Whenever you cast an instant or sorcery spell during your turn

where X is the number of artifacts you control

(Each creature you tap while casting a noncreature spell from exile pays for {1} or one mana of that creature's color

" —Kirada

Death's Oasis [Ikoria: Lair of Behemoths Prerelease Promos] 30th Anniversary History Promos Whenever you cast an instantSet: Ikoria: Lair of Behemoths Prerelease Promos Type: Enchantment Rarity: Rare Cost: {W}{B}{G} Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser converted mana cost than the creature that died from your graveyard to your hand. {1}, Sacrifice Death's Oasis: You gain life equal to the greatest converted mana cost among creatures you control.