Crawdaunt @ Mystic Water  
Ability: Adaptability  
Tera Type: Water  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Swords Dance  
- Knock Off  
- Aqua Jet  
- Crabhammer  

Alomomola @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Water  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
- Flip Turn  
- Wish  
- Scald  
- Protect  

Toxapex @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Poison  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Poison Jab  
- Recover  
- Haze  
- Toxic  

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

Swampert @ Leftovers  
Ability: Torrent  
Tera Type: Water  
EVs: 252 HP / 24 Atk / 232 SpD  
Careful Nature  
- Earthquake  
- Flip Turn  
- Stealth Rock  
- Roar  

Greninja @ Choice Specs  
Ability: Protean  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Ice Beam  
- Extrasensory  
- Sludge Wave