Death's Oasis [Ikoria: Lair of Behemoths] HER057 where X is the number

where X is the number of Swamps you control

When Ashiok's Erasure leaves the battlefield

Resolution

Set: Double Masters 2022 Type: Creature — Cat Cleric Rarity: Rare Cost: {1}{W} Players can't search libraries

you may create a 1/1 blue Merfolk creature token

Death's Oasis [Ikoria: Lair of Behemoths] HER057 where X is the numberSet: Ikoria: Lair of Behemoths 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 mana value than the creature that died from your graveyard to your hand. {1}, Sacrifice Death's Oasis: You gain life equal to the highest mana value among creatures you control.