Ethereal Edge

You wrap yourself in ethereal energy, giving you extra damage to your attacks until the beginning of your next turn. On a hit, the target suffers the weapon attack’s normal effects and takes an additional 1d6+your Charisma modifier psychic damage. 

This spell's damage increases to 1d8 at 5th level, 1d10 at 11th level, and 1d12 at 17th level.