Cavern of Souls - The Lost Caverns of Ixalan - 410b

Land

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.

Mythic · The Lost Caverns of Ixalan · #410b (LCI)

Illustrated by Pedro Correa