Littleo (Trade for Bibarel) or Numel with rain and maybe some fighting too as extra for now. I prefer Mankey until I can get some Scraggy/Pancham except some starters
Some Dragon STAB on Noivern, Moonblast on Gardevoir and Hammer Arm + some TM when we get it http://www.serebii.net/pokedex-xy/660.shtml for Diggersby
some natures and items
Go get some Grass, Steel and Ice for back up team
lol sorry now I see that u want 6th
Sorry I'm tired right now check some of those I said for back up maybe some Trevenant or Froslass
T-Wrecks (my Tyrantrum )
Naughty/Rock Head
Head Smash
EQ
Dragon Claw
Brick Break
and maaaaaybe I will change Brick Break for Aerial Ace for Fighting and some Scope Lens when we get it
None of those moves are available
The available ones are
7th Street
Gastro Acid
Iron Defense
Snore
Headbutt
Rollout
Heal Bell
Bug Bite
Spite
Worry Seed
Magic Coat
Trick
Ominous Wind
Fury Cutter
Electroweb
Agate Circus
Sky Attack
Uproar
Last Resort
Ancientpower
Vacuum Wave
Bounce
Drill Run
Pixie Plate for Gardevoir
Toxicroak on Back Up team, Tyruntrum on main
change some moves on Lanturn, Escavalier (Cut), Braviery and get some Steel, Electric (Magnezone, Excadrill), Fire, Water and Fighting for extra on back up