Gastrodon @ Heavy-Duty Boots  
Ability: Storm Drain  
Tera Type: Water  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
- Stealth Rock  
- Scald  
- Flip Turn  
- Recover  

Toxapex @ Rocky Helmet  
Ability: Regenerator  
Tera Type: Poison  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Mortal Spin  
- Flip Turn  
- Haze  
- Recover  

Samurott-Hisui @ Mystic Water  
Ability: Sharpness  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Ceaseless Edge  
- Aqua Step  
- Jet Punch  

Ogerpon-Wellspring (F) @ Wellspring Mask  
Ability: Water Absorb  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Horn Leech  
- Jet Punch  
- Bitter Blade  

Walking Wake @ Choice Scarf  
Ability: Protosynthesis  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Energy  
- Water Spout  
- Steam Eruption  
- Flamethrower  

Slowking @ Leftovers  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Cosmic Power  
- Stored Power  
- Scald  
- Rest