Big Imposter (Chansey) (F) @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Heal Bell  
- Block  
- Tidy Up  
- Wish  

Audino-Mega @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
- Wish  
- Baneful Bunker  
- Haze  
- Salt Cure  

Registeel @ Covert Cloak  
Ability: Primordial Sea  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Strength Sap  
- Rapid Spin  
- Knock Off  
- U-turn  

Giratina @ Assault Vest  
Ability: Regenerator  
Tera Type: Ghost  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Stone Axe  
- U-turn  
- Knock Off  
- Infernal Parade  

Celesteela @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Psychic  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Strength Sap  
- Lava Plume  
- Mortal Spin  
- Stone Axe  

Arceus-Poison @ Earth Plate  
Ability: Ice Scales  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Mortal Spin  
- Strength Sap  
- Judgment  
- Toxic Spikes