Crawdaunt @ Darkinium Z  
Ability: Adaptability  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Knock Off  
- Protect  
- Aqua Jet  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Sludge Bomb  
- Haze  
- Recover  

Rotom-Wash @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 212 SpD / 44 Spe  
Calm Nature  
IVs: 0 Atk  
- Defog  
- Volt Switch  
- Will-O-Wisp  
- Pain Split  

Swampert @ Leftovers  
Ability: Damp  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Earthquake  
- Toxic  
- Roar  
- Stealth Rock  

Greninja @ Expert Belt  
Ability: Protean  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Hidden Power [Fire]  
- Ice Beam  
- Low Kick  
- Rock Slide  

Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Substitute  
- Crunch  
- Earthquake  
- Dragon Dance