Mewtwo-Mega-X @ Expert Belt  
Ability: Huge Power  
EVs: 220 Atk / 244 Def / 44 Spe  
Adamant Nature  
- Shadow Sneak  
- Gear Grind  
- Mach Punch  
- Thousand Arrows  

Mewtwo-Mega-X @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 Atk / 36 Def / 220 Spe  
Adamant Nature  
- Sacred Fire  
- Fusion Bolt  
- Play Rough  
- Spikes  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Chatter  
- Stealth Rock  
- Whirlwind  
- Wish  

Swampert-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Recover  
- Defog  
- Aromatherapy  
- Parting Shot  

Aegislash @ Leftovers  
Ability: Magic Bounce  
EVs: 248 HP / 80 SpD / 180 Spe  
Calm Nature  
IVs: 0 Atk  
- Substitute  
- Curse  
- Roost  
- Baton Pass  

Gyarados-Mega @ Lum Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 4 Spe  
Adamant Nature  
- Water Shuriken  
- Pursuit  
- Sucker Punch  
- Beat Up