Gandalf, the Grey Pilgrim

Gandalf, the Grey Pilgrim has Indestructible as long as it's not your turn.
{2}{w}{w}, {t}: Exile target non-land permanent you don't control. Until end of turn, target opponent can't cast spells that share a color with that permanent. Return that permanent to the battlefield under it's owner's control at the beginning of the next upkeep.