Aurelion Sol, Star Forger

Gathering Stardust - Whenever a creature dies from damage dealt by Aurelion Sol, Star Forger, put a +1/+1 counter on him and draw a card.
{x}{u}{r}{t}: Aurelion Sol, Star forger deals X damage to two target creatures.

Starfall {u/r}{u/r}{u/r}, Remove four +1/+1 counters from Aurelion Sol, Star forger: Destroy all creatures opponents control.