I'd love it if they implemented something like bio-capacitor from DCUO. I'd call it cosmic burst (blessing) an aoe heal that heals for a decent amount (less than succor and medica) but the trick is that it places a charge on everyone within radius and that should hp fall to zero it will instantly trigger the charge healing ones with charge back up to say... 15-20% thus giving you (or if in raid 2nd healer) time to top off everyone. Trust me it sounds op or like INVULNERABILITY but the skill works wonders and never op's. Also something like divine light fromDCUO celestial which