Pelipper @ Damp Rock  
Ability: Drizzle  
Tera Type: Water  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Hurricane  
- Roost  
- Knock Off  

Tentacruel @ Assault Vest  
Ability: Rain Dish  
Tera Type: Water  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Flip Turn  
- Knock Off  
- Gunk Shot  
- Rapid Spin  

Gastrodon @ Heavy-Duty Boots  
Ability: Storm Drain  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Clear Smog  
- Recover  
- Stealth Rock  
- Earthquake  

Greninja-Bond (M) @ Choice Specs  
Ability: Battle Bond  
Tera Type: Water  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Hydro Pump  
- Dark Pulse  
- Ice Beam  
- Grass Knot  

Dondozo @ Leftovers  
Ability: Unaware  
Tera Type: Water  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Curse  
- Rest  
- Waterfall  
- Earthquake  

Kyogre @ Choice Scarf  
Ability: Drizzle  
Tera Type: Water  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Thunder  
- Ice Beam