Pelipper @ Choice Specs  
Ability: Drizzle  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Hurricane  
- Hydro Pump  
- U-turn  
- Defog  

Slowking @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Future Sight  
- Scald  
- Teleport  
- Slack Off  

Toxapex @ Black Sludge  
Ability: Regenerator  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Sludge Bomb  
- Knock Off  
- Recover  
- Haze  

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

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Waterfall  
- Flip Turn  
- Ice Punch  

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