Hello.
First off, I'll agree with cfdba's suggestions on Band > Scarf Azumarill; SD > Flare Blitz Talonflame; and Latios > Chansey.
I'd like to make a note about Latios: make sure you're running Roost, just like the set that cfdba gave you. Roost provides Latios longevity, which allows him to...