Gatekeeper Ascension

Pay 3 Mist counters: Choose one that has not
been chosen, Gatekeeper Ascension gains that
ability—
•Gatekeeper Ascension gains Exalted.
•At the begging of your upkeep Discover 3 and
put a crack counter on Gatekeeper Ascension.
•Gatekeeper Ascension gains Dethrone.
{bull}Creatures you control gain Evolve.
{bull}At the begging of your upkeep Proliferate.