D'Volx, the Summoner

When D'Volx comes into play, you may pay X life to bring X demon tokens into play. These count as 2/2 black creatures.
Whenever any creature successfully attacks you, you may pay two life to exile it instead and bring
a demon token into play. It counts as a 2/2 black creature.
His ambition limitless, his thirst of revenge unbound.