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 - $100.30
LP - $80.20
MP - $60.20
HP - $40.00
DMG - $20.10