Cavern of Souls 320 (Double Masters 2022)

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 - $92.10
LP - $73.70
MP - $55.30
HP - $36.90
DMG - $18.50