Cavern of Souls 345/291 (The Lost Caverns of Ixalan) - Borderless

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.

NM - $95.10
LP - $76.10
MP - $57.10
HP - $38.10
DMG - $19.10