Cresceidon @ Heavy-Duty Boots  
Ability: Multiscale  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Moonblast  
- Recover  
- Taunt  

Toxapex @ Black Sludge  
Ability: Regenerator  
Tera Type: Poison  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Poison Jab  
- Toxic Spikes  
- Haze  
- Recover  

Snaelstrom @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 4 Def  
Adamant Nature  
- Razor Shell  
- Facade  
- Swords Dance  
- Recover  

Arghonaut @ Heavy-Duty Boots  
Ability: Unaware  
Tera Type: Fairy  
EVs: 248 HP / 224 Def / 36 SpD  
Impish Nature  
- Circle Throw  
- Knock Off  
- Recover  
- Spikes  

Greninja @ Choice Specs  
Ability: Protean  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Ice Beam  
- Extrasensory  
- Sludge Wave  

Ogerpon-Wellspring (F) @ Wellspring Mask  
Ability: Water Absorb  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Ivy Cudgel  
- Horn Leech  
- Play Rough