StarDust

Spell Lists: Sorcerer, Wizard
2nd-level evocation
Casting Time: 1 Action
Range: Self (15-foot cone)
Components: V, S
Duration: Instantaneous
Evokes a burst of brilliant particles of force energy sweeping out in a 15-cone cube originating from you. Creatures in the radius take 3d4 force damage and the next attack roll made again them before the start of your next turn has advantage.