Mana Leak [Magic Player Rewards 2005] Aetherdrift Prerelease Promos Offerings must first be freed

Offerings must first be freed from the prison of their own skin before they're welcomed into the Flesh Singularity

Friends teach what you want to know

"What else

Set: Theros Beyond Death Prerelease Promos Type: Legendary Creature — Elder Giant Rarity: Mythic Cost: {1}{G}{U} When Uro enters the battlefield

Each creature you tap while casting this spell pays for {1} or one mana of that creature's color

Mana Leak [Magic Player Rewards 2005] Aetherdrift Prerelease Promos Offerings must first be freedSet: Magic Player Rewards 2005 Type: Instant Rarity: Rare Cost: {1}{U} Counter target spell unless its controller pays {3}.