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

Manaphy @ Rindo Berry  
Ability: Hydration  
Tera Type: Water  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Tail Glow  
- Surf  
- Ice Beam  
- Rest  

Swampert-Mega @ Swampertite  
Ability: Damp  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Flip Turn  
- Waterfall  
- Ice Punch  
- Earthquake  

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

Kingdra @ Choice Specs  
Ability: Swift Swim  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Surf  
- Draco Meteor  
- Hurricane  
- Ice Beam  

Politoed @ Eject Button  
Ability: Drizzle  
Tera Type: Water  
EVs: 248 HP / 252 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Hydro Pump  
- Focus Blast  
- Earth Power  
- Ice Beam