Tesla Bolt

You hurl a mote of electricity at a creature or object within range. Make a ranged spell attack against the target.  On a hit, the target takes 1d8 lightning damage.  If the target is wet, it takes an additional 1d4 lightning damage.

This spell's damage increases by 1d8 and 1d4 when you reach 5th level (2d8 & 2d4), 11th level (3d8 & 3d4), and 17th level (4d8 & 4d4).