Rye the Devourer

+1: Look at the top card of your library. If it is a creature card, you may exile it and gain X life where X is that card's converted mana cost.
-2: Gain control of target creature you don't control. That creature untaps and gains hexproof until end of turn. Sacrifice it at your next end step.
-10: Sacrifice this planeswalker and search your library for a card named Rye, Divine Temptress and put it in your hand.