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  
- Play Rough  

Walking Wake @ Choice Specs  
Ability: Protosynthesis  
Tera Type: Water  
EVs: 12 HP / 244 SpA / 252 Spe  
Timid Nature  
- Draco Meteor  
- Scald  
- Flip Turn  
- Flamethrower  

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  

Dondozo @ Heavy-Duty Boots  
Ability: Unaware  
Tera Type: Water  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Curse  
- Waterfall  
- Rest  
- Sleep Talk  

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

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