Name
Cavern of Souls
Set Name
Modern Masters 2017
Set Type
Masters
Mana
Type Line
Land
Rarity
Mythic
Oracle Text
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.