Mewtwo-Mega-X @ Fairy Memory  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
IVs: 30 HP  
- Multi-Attack  
- Shell Smash  
- Thousand Arrows  
- Gear Grind  

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  
- Trick  
- Fusion Flare  
- Shell Smash  

Mewtwo-Mega-Y @ Life Orb  
Ability: Protean  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 30 HP / 0 Atk  
- Quiver Dance  
- Photon Geyser  
- Ice Beam  
- Moongeist Beam  

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

Muk-Alola @ Lum Berry  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
IVs: 30 HP  
- Pursuit  
- Magic Coat  
- Shore Up  
- Defog  

Audino-Mega @ Safety Goggles  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
IVs: 30 HP / 0 Atk  
- Wish  
- Aromatherapy  
- King's Shield  
- Whirlwind