Araquanid @ Focus Sash  
Ability: Water Bubble  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 4 Def  
Adamant Nature  
- Liquidation  
- Leech Life  
- Sticky Web  
- Lunge  

Gholdengo @ Air Balloon  
Ability: Good as Gold  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Make It Rain  
- Shadow Ball  
- Nasty Plot  
- Recover  

Landorus @ Life Orb  
Ability: Sheer Force  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Earth Power  
- Sludge Bomb  
- Focus Blast  
- Nasty Plot