Sauron, Lord of the Rings

+2: Surveil 3. Then create a 1/1 black Orc Soldier creature token for each card put into a graveyard this way.
-3: Pay X life. Gain control of target nonland permanent with CMC less than or to equal to 2 plus X, where X the amount of life that you paid.
-12: Each opponent discards half of their hand, loses half of their life, and sacrifices half of each type of permanent they control, rounded up.