Voidwalker

Flying
Lightbearer
Child of the Old God - {u}{b}, {t}: Create a 2/2 black
Orb creature token with haste and lifelink. Exile
it at the beginning of the next end step. Then illuminate Voidcaller.
Nova Bomb - {u}{u}{b}{b}, remove all Light
counters, {t}: Deal damage to all creatures
opponents control equal to the number of Light counters removed.