Priscilla, Thief Of All

: As an additional cost, exile target creature card on the battlefield or in a graveyard.
0: Return Priscilla to your hand. Put all cards exiled by Priscilla back into their controller's graveyards.
-1: Until your next turn Priscilla becomes a copy of the creature exiled by her and gains hexproof. She stops being a planeswalker.