![Cavern of Souls (Topper) [Ultimate Masters Box Topper]](https://cdn.shopify.com/s/files/1/0451/3388/9694/files/c7fc16a0-6589-5869-b423-8e6947c327cb.jpg?v=1720120621)
Cavern of Souls (Topper) [Ultimate Masters Box Topper]
| Set: | 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.
{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.