As this land enters, choose a creature type. : Add . : 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.
Cavern of Souls (2X2-569) - Double Masters 2022 Etched Foil
As this land enters, choose a creature type. : Add . : 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.
: Add 
.
