Toxapex @ Black Sludge / Icium Z  
Ability: Regenerator  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic / Toxic Spikes 
- Scald  
- Recover  
- Haze  
Urshifu-Rapid-Strike @ Choice Scarf  
Ability: Unseen Fist  
Tera Type: Fighting  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Surging Strikes  
- Thunder Punch  
- U-turn  

Gastrodon @ Leftovers  
Ability: Storm Drain  
Tera Type: Water  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk  
- Toxic / Stealth Rock / Spikes  
- Recover  
- Clear Smog / Stealth Rock / Spikes 
- Earthquake  

Volcanion @ Heavy-Duty Boots  
Ability: Water Absorb  
Tera Type: Fire  
EVs: 252 HP / 4 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Flamethrower  
- Steam Eruption  
- Earth Power  
- Defog  

Gyarados @ Gyaradosite  
Ability: Intimidate  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Earthquake  
- Crunch  
- Substitute  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
Tera Type: Water  
EVs: 248 HP / 68 Def / 192 Spe  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Draining Kiss  
- Calm Mind  
- Taunt