Raevyr Bolas, Mystic Axiom

Flying, deathtouch, indestructible
Creatures your opponents control lose
deathtouch and indestructible, and can't gain deathtouch or indestructible.
{u}{b}{r}, {t}: target creature you control gains
your choice of deathtouch or indestructible for
the rest of the game. Raevyr Bolas and lands you control don't untap during your untap
step.