Balis'mal, the Watchful Ruin

Decimate-{x}{u}{b}{r} Destroy X target nonland permanents you don't control, then lose X life
Enfeeble-{x}{u}{b}{r} X target Creatures you don't control have base power and toughness 1/1
Raze and Ruin-{u}{b}{r} Each opponent exiles a creature they control, then they take damage
equal to the power of their exiled creature