Trickster's Blast

Condensed dark magic manifests in your hands, able to be tossed into a target within range. Make two ranged spell attacks against one or two targets. On a hit, the target takes 2d4 force damage. If the spell is used within 5 to 10 feet, you get advantage.

The spell creates more than one manifestations of dark magic when your character reaches higher levels: two manifestations at Level 5, another two manifestations at Level 10, another two more manifestations at Level 15, and a two more final manifestations at Level 20.