You forgot to mention the ridiculous part of Wings of Flurry. If they fail the Reflex save, they're Dazed for one round. Meaning no actions. Meaning that as long as you have more Wings of Flurry, they don't get to take actions unless you let them. Spellwarp Sniper makes Wings of Flurry a lot like winning at life. Twin and Split Ray if you don't want anyone to get any actions.
Correct me if I'm wrong (cause I don't have the book right now) but I do remember something about if there is an additional effect which requires a save its still allowed, or something like that.
edit: guess I was wrong, it says reflex saves so this does indeed work. One of the main reasons my mages always have ray deflection; I always figured someone would do something evil like this with rays. Plus...its just a good spell to have.