Rakdos, Eternal Torturer

+2: Each player sacrifices a creature that isn't a Demon, Devil, or Imp.
-3: Shuffle target permanent into its owner's library. That player reveals the top card of their library and plays it without paying its mana cost.
-XX: Rakdos, Eternal Torturer deals X damage to each opponent and each planeswalker they control. Each opponent discards X cards.