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

Big Imposter (Blissey) (F) @ Life Orb  
Ability: Magic Guard  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Cotton Guard  
- Torch Song  
- Boomburst  
- Shore Up  

Audino-Mega @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpD  
Bold Nature  
IVs: 0 Atk / 0 Spe  
- Cotton Guard  
- Body Press  
- Strength Sap  
- Mortal Spin  

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

Miraidon @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Electric  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Cotton Guard  
- Strength Sap  
- Thunder Cage  
- Body Press  

Arceus-Poison @ Earth Plate  
Ability: Ice Scales  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Mortal Spin  
- Torch Song  
- Judgment  
- Strength Sap