Skull and Captain Kidd

+1: Each opponent discards a card and loses 2 life. "Whip 'em, Persona!"
-3: Gain control of target creature until end of turn. Untap it and give it haste. Sacrifice it at next end step if it has CMC 3 or less. "Hah!"
-8: Each opponent loses life equal to the number of cards in his or her graveyard. "All right! Time for some pain!"