Magearna-Original @ Iron Plate  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
IVs: 30 HP  
- Shell Smash  
- Moonblast  
- Surf  
- Sunsteel Strike  

Solgaleo @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 30 HP / 0 Spe  
- Haze  
- Destiny Bond  
- Shore Up  
- Spectral Thief  

Audino-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpD  
Sassy Nature  
IVs: 30 HP / 0 Atk / 0 Spe  
- Wish  
- Defog  
- Baton Pass  
- King's Shield  

Gengar-Mega @ Choice Scarf  
Ability: Shadow Tag  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 30 HP / 0 Atk  
- Moongeist Beam  
- Searing Shot  
- Trick  
- Shell Smash  

Lopunny-Mega @ Focus Sash  
Ability: No Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 30 HP / 0 Atk  
- Sing  
- Sheer Cold  
- Gastro Acid  
- Stealth Rock  

Mewtwo-Mega-X @ Fire Memory  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Jolly Nature  
IVs: 30 HP  
- Extreme Speed  
- Photon Geyser  
- Sunsteel Strike  
- Multi-Attack