//what will happen when spell is cast
public override void useSpell(BallBehavior obj)
{
obj.GetComponent<Rigidbody>().AddForce(new Vector3(0, 5f, 0), ForceMode.Impulse);
}
private void DeactivateBall(BallBehavior ballToDeactivate)
{
ballToDeactivate.GetComponent <Rigidbody>().isKinematic = true;
ballToDeactivate.gameObject.SetActive(false);
}