Cavern of Souls (Foil Etched) [Double Masters 2022] Zombie Spirit Set: Shadowmoor Type: Land Rarity:

Set: Shadowmoor Type: Land Rarity: Rare {T}: Add one mana of any type that a land you control could produce

except it doesn't copy that creature's color and it has this ability

Set: Theros Beyond Death Type: Enchantment Rarity: Rare Cost: {1}{R} Each nonland card in your graveyard has escape

each opponent sacrifices a permanent

Numsgil did in Blog

Cavern of Souls (Foil Etched) [Double Masters 2022] Zombie Spirit Set: Shadowmoor Type: Land Rarity:Set: Double Masters 2022 Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.