Aresis, Mind Forger

+1: Target opponent reveals a card in his or her hand at random. If that card is a nonland card, draw a card.
-3: Gain control of target creature until end of turn. Untap that creature and that creature gains haste.
-7: You get an emblem with, "Whenever you draw a card, you may reveal it and gain control of target creature with the same converted mana cost."