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

Walking Wake @ Choice Specs  
Ability: Protosynthesis  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Pump  
- Scald  
- Flamethrower  
- Draco Meteor  

Quaquaval @ Heavy-Duty Boots  
Ability: Moxie  
Tera Type: Water  
EVs: 252 HP / 72 Atk / 128 Def / 56 Spe  
Impish Nature  
- Brick Break  
- Knock Off  
- Rapid Spin  
- Roost  

Toxapex @ Black Sludge  
Ability: Regenerator  
Tera Type: Poison  
EVs: 248 HP / 48 Def / 212 SpD  
Impish Nature  
- Poison Jab  
- Haze  
- Infestation  
- Recover  

Quagsire @ Leftovers  
Ability: Unaware  
Tera Type: Water  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Earthquake  
- Stealth Rock  
- Toxic  
- Recover  

Samurott-Hisui @ Choice Scarf  
Ability: Sharpness  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Ceaseless Edge  
- Aqua Cutter  
- Sacred Sword  
- Flip Turn