Listen, Iv'e got a Naive Kyurem from PokeCheck, can you
-EV it t0 40Atk/216SpA/252Spe
-Raise it to lv100
-Clone it
-Call one clone Draconia and teach it Draco Meteor/Ice Beam/Focus Blast/Dragon Claw and the other XDraci with Blizzard/Draco Meteor/Outrage/Focus Blast
-PP Max all
If you can, also PP Max a few more Pokemon.
You are, of course, free to keep copies as well as a copy of a Modest Regice I have-PM/VM me if you can, thanks!