Araquanid @ Focus Sash  
Ability: Water Bubble  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Liquidation  
- Leech Life  
- Sticky Web  
- Magic Coat  

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

Primarina @ Leftovers  
Ability: Torrent  
EVs: 252 HP / 4 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Calm Mind  
- Moonblast  
- Hydro Pump  

Gyarados @ Heavy-Duty Boots  
Ability: Moxie  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Waterfall  
- Power Whip  
- Earthquake  
- Dragon Dance  

Pelipper @ Choice Specs  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Pump  
- Hurricane  
- U-turn  
- Ice Beam  

Barraskewda @ Choice Band  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Waterfall  
- Close Combat  
- Crunch  
- Psychic Fangs