Vicious Comedy

Pull a joke, and if successsful it will do 1d4 psychic damage. Bonus if DM laughs (+1d4 psychic damage). Target must make a Wisdom saving throw upon being hit and if failed gains disadvantage on the next attack roll it makes before the end of its next turn.

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