Cavern of Souls (Topper) [Ultimate Masters Box Topper] XY150a its power and toughness are

its power and toughness are each equal to the number of Forests you control

Gloom features an innovative design by Keith Baker

but not more life than the player's life total before the damage was dealt

Set: Theros Beyond Death Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {2}{W} Indestructible

(Mana symbols on that permanent remain unchanged

Cavern of Souls (Topper) [Ultimate Masters Box Topper] XY150a its power and toughness areSet: Ultimate Masters Box Topper 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.