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.
Near Mint - $37.70
Lightly Played - $30.10
Moderately Played - $26.40
Heavily Played - $22.60
Damaged - $18.90
Near Mint Spanish - $37.70
Lightly Played Spanish - $30.10
Moderately Played Spanish - $26.40
Heavily Played Spanish - $22.60
Damaged Spanish - $18.90