Cthulhu

+2: Tap all nonland permanents your opponents control. Those permanents don't untap during their controller's untap steps.
-X: Target player loses X life, discards X cards, and sacrifices X permanents. Draw X cards.
-18: Each opponent sacrifices all nonland permanents they control,then, they get an emblem with, "At the beginning of your upkeep, discard your hand.