Nann, Ultraviolet Goddess

+3: Exile target non-creature permanent and put an Ultraviolet Counter on that card.
-2: Gain control of target creature. When it would leave the battlefield, exile it and put an Ultraviolet Counter on that card.
-9: Cards exiled with Ultraviolet Counters on them re-enter the battlefield under your control. Restart the game. Your permanents remain.