Blissey is almost always set-up bait <_<; as long as you got sub for status your good to go (Mismagius ftw). And icebeam/flamethrower is doing laughable damage even with specs (lol)
mismagius... have you ever even played ubers before or is this a joke?
and also, with thunderwave and seismic toss, not many pokemon can come in and set up on blissey, other than groudon and garchomp (and kinda scizor, but protect makes that less effective), who get pretty badly affected by a toxic on the switch in.