Mewtwo-Mega-X @ Choice Band  
Ability: Mold Breaker  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- First Impression  
- Pursuit  
- Spectral Thief  

Mewtwo-Mega-X @ Life Orb  
Ability: Contrary  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
IVs: 30 Spe  
- Superpower  
- Fleur Cannon  
- Strength Sap  
- Spectral Thief / Moongeist Beam  

Diancie-Mega @ Leftovers  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
- Boomburst  
- Extreme Speed  
- Stealth Rock  
- Diamond Storm  

Arceus-Fire @ Toxic Plate  
Ability: Multitype  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Milk Drink  
- Anchor Shot  
- Defog  

Zygarde-Complete @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 2 Spe  
- Beak Blast  
- U-turn  
- Final Gambit  
- Core Enforcer  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- V-create  
- Roost  
- Haze  
- Ice Hammer