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

Big Imposter (Blissey) (F) @ Leftovers  
Ability: Magic Guard  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Salt Cure  
- Wish  
- Baneful Bunker  
- Rapid Spin  

Dialga-Origin @ Adamant Crystal  
Ability: Fur Coat  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Revelation Dance  
- Rapid Spin  
- Strength Sap  
- Toxic Spikes  

Audino-Mega @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Haze  
- Wish  
- Baneful Bunker  
- Salt Cure  

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

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  
- Judgment  
- Mortal Spin  
- Strength Sap  
- Knock Off