![Cavern of Souls (237) [Ultimate Masters]](http://alwaysgames.ca/cdn/shop/files/179480_in_1000x1000_88be6772-377d-474e-998b-819d93450bb9.jpg?v=1771491968&width=716)
![Cavern of Souls (237) [Ultimate Masters]](http://alwaysgames.ca/cdn/shop/files/179480_in_1000x1000_88be6772-377d-474e-998b-819d93450bb9_1024x.jpg?v=1771491968)
Description
| Set: | Ultimate Masters |
| Type: | Land |
| Rarity: | mythic |
As this land enters, 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.