Mewtwo-Mega-X @ Leftovers  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
- Substitute  
- Photon Geyser  
- Low Kick  
- Moongeist Beam  

Groudon-Primal @ Choice Scarf  
Ability: Shadow Tag  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Thousand Arrows  
- Let's Snuggle Forever  
- Beat Up  
- Searing Sunraze Smash  

Mewtwo-Mega-Y @ Shed Shell  
Ability: No Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Fissure  
- Zap Cannon  
- Photon Geyser  
- Megahorn  

Ferrothorn @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
- Spectral Thief  
- Stealth Rock  
- Will-O-Wisp  
- Shore Up  

Audino-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 25 Atk / 30 Spe  
- Defog  
- Aromatherapy  
- Anchor Shot  
- Shore Up  

Zygarde-Complete @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Destiny Bond  
- Spectral Thief  
- Baton Pass  
- Shore Up