Araquanid @ Focus Sash  
Ability: Water Bubble  
Tera Type: Water  
EVs: 248 HP / 8 Atk / 252 SpD  
Careful Nature  
- Sticky Web  
- Liquidation  
- Mirror Coat  
- Magic Coat  

Kyogre @ Choice Scarf  
Ability: Drizzle  
Tera Type: Water  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Ice Beam  
- Thunder  

Blastoise-Mega @ Blastoisinite  
Ability: Rain Dish  
Tera Type: Water  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shell Smash  
- Water Pulse  
- Aura Sphere  
- Ice Beam  

Iron Bundle @ Heavy-Duty Boots  
Ability: Quark Drive  
Tera Type: Ice  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Hydro Pump  
- Freeze-Dry  
- U-turn  
- Encore  

Arceus-Water @ Waterium Z  
Ability: Multitype  
Tera Type: Ground  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Dragon Dance  
- Liquidation  
- Earthquake  
- Recover  

Dondozo @ Leftovers  
Ability: Unaware  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Curse  
- Body Press  
- Avalanche  
- Rest