Jace, Reality Unbound

+2: Gain control of target creature with converted mana cost equal to the number of cards in your hand until end of turn, then, draw a card.
-2: Tap target creature you control, gain control of target creature with the same converted mana cost.
-10: Gain control of up to 5 target permanents and up to 2 target tappped permanents, untap them, they gain hexproof until end of turn.