Cavern of Souls (0410c) (Borderless)

Set: The Lost Caverns of Ixalan (#410c)

Rarity: Mythic

Type: Land

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.