Blastoise-Mega @ Blastoisinite  
Ability: Mega Launcher  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dark Pulse  
- Shell Smash  
- Water Pulse  
- Aura Sphere  

Basculegion (M) @ Choice Scarf  
Ability: Adaptability  
Tera Type: Water  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Aqua Jet  
- Last Respects  
- Wave Crash  
- Flip Turn  

Archaludon @ Leftovers  
Ability: Stamina  
Tera Type: Steel  
EVs: 248 HP / 232 Def / 12 SpD / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Flash Cannon  
- Body Press  
- Stealth Rock  
- Thunder Wave  

Azumarill @ Assault Vest  
Ability: Sap Sipper  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Aqua Jet  
- Ice Spinner  
- Trailblaze  
- Liquidation  

Pelipper @ Damp Rock  
Ability: Drizzle  
Tera Type: Water  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Scald  
- U-turn  
- Roost  
- Hurricane  

Quagsire @ Leftovers  
Ability: Unaware  
Tera Type: Water  
EVs: 176 HP / 80 Atk / 252 SpD  
Sassy Nature  
- Earthquake  
- Toxic Spikes  
- Toxic  
- Recover