Surge Bolt

You hurl a node of pure energy at a creature or object within range. Make a ranged spell attack against the target. On a hit, the target takes 1d4 lightning damage and 1d4 thunder damage. On hit the thunder can be heard from 150 feet away. You have advantage on the attack is the target is wearing metal armor or wielding a metal weapon.

This spell's damage increases by 1d4 lightning damage and 1d4 thunder damage when you reach 5th level (4d4), 11th level (6d4), and 17th level (8d4).