Lightning surge

Evocation cantrip
Casting Time: 1 action
Range: Self (5-foot radius)
Components: V, S, M (two bits of copper wire)
Duration: Instantaneous
You emit a dazzling array of short lightning bolts in
all directions. All other creatures within 5 feet of you
must succeed on a Dexterity saving throw or take
1d6 lightning damage.
This spell’s damage increases by 1d6 when you
reach 5th level (2d6), 11th level (3d6), and 17th level
(4d6).