Salamence @ Heavy-Duty Boots  
Ability: Intimidate  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Dragon Claw  
- Shadow Claw  
- Roost  
- Defog  

Tornadus-Therian (M) @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
- Sludge Bomb  
- Dark Pulse  
- Knock Off  
- U-turn  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic Spikes  
- Recover  
- Haze  

Clefable @ Black Sludge  
Ability: Unaware  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Knock Off  
- Toxic  
- Seismic Toss  
- Soft-Boiled  

Mew @ Rocky Helmet  
Ability: Synchronize  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Iron Defense  
- Brave Bird  
- Body Press  
- Soft-Boiled  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 30 Atk  
- Transform