Muk-Alola @ Black Sludge  
Ability: Poison Touch  
Tera Type: Poison  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Knock Off  
- Drain Punch  
- Poison Jab  
- Protect  

Amoonguss @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Poison  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Giga Drain  
- Foul Play  
- Spore  
- Synthesis  

Toxapex @ Rocky Helmet  
Ability: Regenerator  
Tera Type: Poison  
EVs: 248 HP / 248 Def / 12 SpD  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Haze  
- Surf  
- Toxic  

Weezing-Galar @ Black Sludge  
Ability: Levitate  
Tera Type: Poison  
EVs: 248 HP / 248 Def / 12 SpD  
Bold Nature  
IVs: 0 Atk  
- Strange Steam  
- Pain Split  
- Defog  
- Will-O-Wisp  

Iron Moth @ Choice Specs  
Ability: Quark Drive  
Tera Type: Poison  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fiery Dance  
- Discharge  
- Energy Ball  
- Overheat  

Okidogi (M) @ Black Sludge  
Ability: Toxic Chain  
Tera Type: Poison  
EVs: 252 HP / 240 SpD / 16 Spe  
Careful Nature  
- Drain Punch  
- Knock Off  
- Bulk Up  
- Substitute