Toxapex @ Icium Z  
Ability: Regenerator  
Tera Type: Poison  
EVs: 248 HP / 136 Def / 108 SpD / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Haze  
- Recover  

Venusaur-Mega @ Venusaurite  
Ability: Thick Fat  
Tera Type: Grass  
EVs: 248 HP / 196 Def / 32 SpD / 32 Spe  
Bold Nature  
IVs: 0 Atk  
- Giga Drain  
- Sludge Bomb  
- Earth Power  
- Synthesis  

Crobat @ Heavy-Duty Boots  
Ability: Infiltrator  
Tera Type: Poison  
EVs: 252 HP / 40 SpD / 216 Spe  
Jolly Nature  
- Brave Bird  
- Toxic  
- Defog  
- Roost  

Sneasler @ Choice Scarf  
Ability: Poison Touch  
Tera Type: Fighting  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Close Combat  
- Dire Claw  
- Switcheroo  
- U-turn  

Muk-Alola @ Black Sludge  
Ability: Poison Touch  
Tera Type: Poison  
EVs: 200 HP / 56 Def / 252 SpD  
Careful Nature  
- Knock Off  
- Drain Punch  
- Pursuit  
- Protect  

Nihilego @ Choice Specs  
Ability: Beast Boost  
Tera Type: Rock  
EVs: 80 HP / 176 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Power Gem  
- Thunderbolt  
- Hidden Power [Ice]  
- Grass Knot