Saint, Enlightened One

Defender, flying, protection from colorless.
You may cast Saint, Enlightened One from exile.
Saint, Enlightened One may not enter the battlefield from anywhere other than exile.
Saint, Enlightened One untaps during each
opponent's untap step.
{t}: Exile another target creature.
"We were trying to understand what lies beyond
a point of no return, while having yet to pass it." -Five Pebbles