Voltaic Whip

You create and control a long arc of flexible electricity, which you can lash out like a whip. On each of your turns for the duration of this spell, you can make up to 3 attacks against creatures within 15 feet of you with the whip. Roll separate melee spell attack rolls for each attack. On each hit, the target creature takes 2d6 Lightning damage.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d6 for each slot level above 3rd.