Samurott-Hisui @ Choice Scarf  
Ability: Sharpness  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Razor Shell  
- Ceaseless Edge  
- Knock Off  
- Sacred Sword  

Toxapex @ Black Sludge  
Ability: Regenerator  
Tera Type: Poison  
EVs: 252 HP / 4 Def / 216 SpD / 36 Spe  
Impish Nature  
- Poison Jab  
- Toxic Spikes  
- Haze  
- Recover  

Basculegion-F (F) @ Choice Specs  
Ability: Swift Swim  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Hydro Pump  
- Shadow Ball  
- Flip Turn  
- Ice Beam  

Gastrodon @ Heavy-Duty Boots  
Ability: Sticky Hold  
Tera Type: Water  
EVs: 252 HP / 88 Def / 168 SpD  
Relaxed Nature  
- Earthquake  
- Chilling Water  
- Recover  
- Recover  

Pelipper @ Choice Specs  
Ability: Drizzle  
Tera Type: Water  
EVs: 44 HP / 252 SpA / 212 Spe  
Timid Nature  
- Hurricane  
- Hydro Pump  
- U-turn  
- Weather Ball  

Barraskewda @ Choice Band  
Ability: Swift Swim  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Liquidation  
- Flip Turn  
- Close Combat  
- Psychic Fangs