Greninja @ Choice Scarf  
Ability: Protean  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Ice Beam  
- Gunk Shot  
- Dark Pulse  
- U-turn  

Swampert-Mega @ Swampertite  
Ability: Damp  
EVs: 252 Atk / 252 Spe  
Adamant Nature  
- Waterfall  
- Earthquake  
- Ice Punch  
- Stealth Rock  

Pelipper @ Heavy-Duty Boots  
Ability: Drizzle  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
- U-turn  
- Defog  
- Roost  
- Hurricane  

Urshifu-Rapid-Strike @ Choice Band  
Ability: Unseen Fist  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Surging Strikes  
- Close Combat  
- Aqua Jet  
- U-turn  

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

Slowbro @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Future Sight  
- Slack Off  
- Teleport