Darth Vadar

0: Destroy target permanent. Put an amount of loyalty counters equal to that permanent's converted mana cost on Vadar.
-4: Gain control of target permanent. It becomes Evil. Your devotion to the dark side increases by 2.
-20: You get an emblem with "The first time an opponent cast a spell each turn, gain control of it. If it had targets you may choose new targets."