Pelipper @ Heavy-Duty Boots  
Ability: Drizzle  
Tera Type: Water  
EVs: 248 HP / 252 Def / 8 SpA  
Bold Nature  
- Hurricane  
- Roost  
- U-turn  
- Knock Off  

Basculegion-F (F) @ Choice Specs  
Ability: Swift Swim  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shadow Ball  
- Surf  
- Hydro Pump  
- Ice Beam  

Samurott-Hisui @ Choice Scarf  
Ability: Sharpness  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Ceaseless Edge  
- Aqua Cutter  
- Sacred Sword  
- Flip Turn  

Ogerpon-Wellspring (F) @ Wellspring Mask  
Ability: Water Absorb  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Ivy Cudgel  
- Horn Leech  
- Play Rough  

Swampert @ Heavy-Duty Boots  
Ability: Torrent  
Tera Type: Water  
EVs: 252 HP / 24 Atk / 232 SpD  
Careful Nature  
- Earthquake  
- Flip Turn  
- Stealth Rock  
- Knock Off  

Toxapex @ Eject Button  
Ability: Regenerator  
Tera Type: Poison  
EVs: 240 HP / 252 Def / 16 Spe  
Impish Nature  
- Poison Jab  
- Recover  
- Haze  
- Toxic