Skillshot concept: Place stationary unit at range on 1st cast, fire projectile from unit on 2nd cast
First cast tosses allied Unit(stationary pet) up to 600-700 range granting vision of a small area around it. After a .5 second delay the ability can be recast up to 3 times to fire single-target projectiles from the Unit to target location at same range(600-700) dealing 30/45/60/75/90 (+30% AP) magic damage per hit with .5 delay between recasts. Lasts 5 seconds.
Mana cost and cooldown?