Pelipper @ Heavy-Duty Boots  
Ability: Drizzle  
Tera Type: Water  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 9 Spe  
- Hurricane  
- U-turn  
- Roost  
- Defog  

Ogerpon-Wellspring (F) @ Wellspring Mask  
Ability: Water Absorb  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Ivy Cudgel  
- Horn Leech  
- Play Rough  
- U-turn  

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

Swampert @ Leftovers  
Ability: Damp  
Tera Type: Water  
EVs: 240 HP / 16 Def / 252 SpD  
Sassy Nature  
- Earthquake  
- Stealth Rock  
- Roar  
- Flip Turn  

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

Manaphy @ Waterium Z  
Ability: Hydration  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Tail Glow  
- Scald  
- Psychic  
- Rain Dance