Pheromosa @ Focus Sash  
Ability: No Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- First Impression  
- Sing  
- Entrainment  
- Fissure  

Articuno @ Shed Shell  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Will-O-Wisp  
- Milk Drink  
- U-turn  
- Whirlwind  

Yveltal @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Haze  
- Strength Sap  
- Heal Order  
- Anchor Shot  

Mewtwo-Mega-X @ Choice Scarf  
Ability: Shadow Tag  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
- Light That Burns the Sky  
- Wood Hammer  
- Searing Sunraze Smash  
- Oceanic Operetta  

Diancie-Mega @ Focus Sash  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Lonely Nature  
- Fake Out  
- Extreme Speed  
- Pursuit  
- Moongeist Beam  

Type: Null @ Eviolite  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Topsy-Turvy  
- Roost  
- Stealth Rock  
- Baton Pass