Hatterene (F) @ Leftovers  
Ability: Magic Bounce  
EVs: 156 HP / 236 Def / 116 SpA  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Power Swap  
- Psychic  
- Draining Kiss  
- Trick Room  

Dragonite @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 160 HP / 96 Atk / 252 SpD  
Careful Nature  
- Defog  
- Dual Wingbeat  
- Roost  
- Roar  

Slowbro @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Teleport  
- Scald  
- Slack Off  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 128 Def / 128 SpD  
Impish Nature  
IVs: 0 Atk  
- Spite  
- Haze  
- Block  
- Recover  

Pheromosa @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- U-turn  
- Close Combat  
- Triple Axel  
- Taunt  

Melmetal @ Choice Band  
Ability: Iron Fist  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Double Iron Bash  
- Earthquake  
- Thunder Punch  
- Superpower