Water style 5 feeding sharks

The user puts their hand on the surface of a body of water and from the tips of five fingers, magic is released into the water, changing it into the form of five ferocious sharks. The sharks circle 1-5 targets chosen with high speed, creating a raging stream that takes away their prey's freedom of movement restraining them while the target is underwater from their sharp teeth tearing into the enemy with each consecutive attack. For each shark attacking a enemy roll to hit on a successful hit deal 2 d10 piercing damage to a enemy these sharks can regenerate from surrounding water if destroyed they have the hp of a tiger shark and each shark may attack once per round on the casters turn instantly reforming at the end of a turn when they are destroyed