Gastrodon @ Leftovers  
Ability: Sticky Hold  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Scald  
- Earthquake  
- Recover  
- Clear Smog  

Mew @ Leftovers  
Ability: Synchronize  
Shiny: Yes  
EVs: 252 HP / 236 SpD / 20 Spe  
Calm Nature  
IVs: 0 Atk  
- Block  
- Imprison  
- Transform  
- Roost  

Corviknight @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 168 Def / 88 SpD  
Impish Nature  
IVs: 0 Atk  
- Body Press  
- Iron Defense  
- Defog  
- Roost  

Toxapex @ Shed Shell  
Ability: Regenerator  
EVs: 252 HP / 188 Def / 68 SpD  
Bold Nature  
- Knock Off  
- Recover  
- Toxic  
- Toxic Spikes  

Clefable @ Heavy-Duty Boots  
Ability: Unaware  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Heal Bell  
- Moonblast  
- Soft-Boiled  
- Stealth Rock  

Tornadus-Therian (M) @ Assault Vest  
Ability: Regenerator  
EVs: 248 HP / 48 Def / 36 SpD / 176 Spe  
Timid Nature  
- Hurricane  
- U-turn  
- Knock Off  
- Heat Wave