Jace, Unwavering

+1: Look at the top 3 cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library
-2: Gain control of target creature or planeswalker until Jace, Unwavering leaves the battlfield.
: If Jace, Unwavering would be put into the graveyard from the battlefield, exile it instead and return it to the battlefield transformed.