Keldeo @ Heavy-Duty Boots  
Ability: Justified  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Surf  
- Secret Sword  
- Calm Mind  
- Vacuum Wave  

Toxapex @ Rocky Helmet  
Ability: Regenerator  
Tera Type: Poison  
EVs: 248 HP / 244 Def / 16 Spe  
Impish Nature  
- Toxic  
- Recover  
- Haze  
- Poison Jab  

Swampert @ Heavy-Duty Boots  
Ability: Torrent  
Tera Type: Water  
EVs: 248 HP / 252 SpD / 8 Spe  
Careful Nature  
- Flip Turn  
- Earthquake  
- Stealth Rock  
- Knock Off  

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

Samurott-Hisui @ Heavy-Duty Boots  
Ability: Sharpness  
Tera Type: Water  
EVs: 160 HP / 252 Atk / 96 Spe  
Adamant Nature  
- Ceaseless Edge  
- Sacred Sword  
- Sucker Punch  
- Swords Dance  

Primarina (F) @ Assault Vest  
Ability: Torrent  
Tera Type: Water  
EVs: 248 HP / 244 SpA / 16 Spe  
Modest Nature  
IVs: 0 Atk  
- Draining Kiss  
- Moonblast  
- Psychic Noise  
- Surf