Darth Nihilus the Hungry

+2: Darth Nihilus the Hungry changes into a 10/10 sith with deathtouch, lifelink, double strike, and hexproof. He changes back at the end of the turn
+1: Search the deck and graveyard for other sith. put them in your hand. you mat play them for half cost next turn.
-20: Destroy your enemies' battlefield. Nothing more can be placed there. You gain all of their converted mana cost in black.