Tibalt, Brimstone Juggler

0: Reveal the top card of your library. If it's a instant or sorcery deal 2 damage to your opponent, if not you take 2 damage.
-X: Deal X damage to target creature.
-4: Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and Tap this turn.)