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

Empoleon @ Leftovers  
Ability: Torrent  
Tera Type: Water  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Stealth Rock  
- Flash Cannon  
- Flip Turn  
- Roost  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Liquidation  
- Flip Turn  
- Ice Punch  

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

Ogerpon-Wellspring (F) @ Wellspring Mask  
Ability: Water Absorb  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Horn Leech  
- Ivy Cudgel  
- Low Kick  

Tapu Fini @ Choice Scarf  
Ability: Misty Surge  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Hasty Nature  
- Moonblast  
- Knock Off  
- Trick  
- Hydro Pump