Cavern of Souls (0410f) (Borderless) [The Lost Caverns of Ixalan] Pioneer Only Personal Incarnation's owner may

Only Personal Incarnation's owner may activate this ability

Set: Conspiracy Type: Artifact Rarity: Mythic Cost: {4} Will of the council — At the beginning of your upkeep

If that spell is countered this way

and the slavering maws of unknown evils

{1}{W}: Target non-Aura enchantment you control becomes a creature in addition to its other types and has base power and base toughness each equal to its mana value

Cavern of Souls (0410f) (Borderless) [The Lost Caverns of Ixalan] Pioneer Only Personal Incarnation's owner maySet: The Lost Caverns of Ixalan Type: Land Rarity: Mythic 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.