Supreme Calamitas

+2: Deal 3 damage divided as you choose among any number of targets. If a creature dealt damage this way dies this turn, exile it instead.
-4: Create a 4/4 Calamity token with flying and "when this creature attacks it deals 2 damage to target creature."
-8: Deal 10 damage to each creature and planeswalker you don't control, excess damage is dealt to that creatures controler.