User blog comment:JmLyan/Jace, the Mind Sculptor/@comment-3974211-20130408163140/@comment-4726614-20130409140508

If the original intent of the ability was only to counter mana user, then that's fine, otherwise it could simpy be applied to any kind of cost, and let the ressourceless be naturally stronger. The fact that Jace is kind of ressourceless himself make him already good in lane.