Muk-Alola @ Air Balloon  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Baton Pass  
- Spectral Thief  
- Soft-Boiled  
- Defog  

Slowbro-Mega @ Shed Shell  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Scald  
- Haze  
- Shore Up  
- U-turn  

Mewtwo-Mega-X @ Leppa Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 176 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- First Impression  
- Light That Burns the Sky  
- Photon Geyser  
- Close Combat  

Mewtwo-Mega-X @ Shed Shell  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Sunsteel Strike  
- Plasma Fists  
- V-create  
- Ice Shard  

Groudon-Primal @ Safety Goggles  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Parting Shot  
- Lava Plume  
- Roost  
- Core Enforcer  

Blissey (F) @ Fist Plate  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Whirlwind  
- Stealth Rock  
- Baneful Bunker  
- Wish