Dorian's Illusory Foe

You create an illusory clone of your target. The clone appears hostile and attempts to attack the target its a clone of. It attacks with your spell attack roll, on a successful attack it deals 2d4 psychic damage. The only way the target can get rid of it is to attack it. One attack from the original causes the copy to dissipate, but the original target takes the damage from the attack they hit it with.