Mewtwo-Mega-X @ Life Orb  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
IVs: 30 HP  
- Sunsteel Strike  
- Close Combat  
- Moongeist Beam  
- Freeze-Dry  

Scizor-Mega @ Fire Memory  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
IVs: 30 HP  
- Shell Smash  
- Multi-Attack  
- Sunsteel Strike  
- Baton Pass  

Gyarados-Mega @ Safety Goggles  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 30 HP / 0 Spe  
- Spectral Thief  
- Recover  
- Stealth Rock  
- Baton Pass  

Zygarde-Complete @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
IVs: 30 HP  
- Shore Up  
- Haze  
- Thousand Waves  
- Reflect  

Gengar-Mega @ Focus Sash  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 30 HP / 0 Atk  
- Shell Smash  
- Moongeist Beam  
- Spore  
- Secret Sword  

Blissey (F) @ Figy Berry  
Ability: Innards Out  
EVs: 252 HP / 252 Atk / 252 SpA / 252 SpD / 252 Spe  
Gentle Nature  
IVs: 0 Def  
- Spectral Thief  
- Final Gambit  
- Soft-Boiled  
- Baton Pass