New Cantrip: Ghostly Ricochet

Illusion Cantrip
Casting Time: 1 action
Range: Touch
Components: V, S, M (a piece of ammunition or thrown weapon)
Duration: Instantaneous
As part of a ranged attack, you touch a piece of ammunition or a thrown weapon. If you hit, your attack spawns a ghostly double of the attack which attacks a target within 15 feet of the original target. You make an attack against the second target using the same roll of the original attack. If this second attack hits, you deal 1d6 damage to the secondary target.
5th: 2d6 to secondary, and the primary target takes your casting modifier in bonus damage.
11th: 3d6 to secondary, and the primary target takes 1d6 + your casting modifier in bonus damage.
17th: 4d6, and the primary target takes 2d6 + your casting modifier in bonus damage.