Diancie-Mega @ Pixie Plate  
Ability: Pixilate  
Tera Type: Rock  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Boomburst  
- V-create  
- Precipice Blades  
- Strength Sap  

Ho-Oh @ Life Orb  
Ability: Magic Guard  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Brave Bird  
- V-create  
- Strength Sap  
- Spikes  

Tyranitar-Mega @ Covert Cloak  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Relaxed Nature  
- Shore Up  
- Knock Off  
- Stone Axe  
- Nuzzle  

Chansey @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Whirlwind  
- Shore Up  
- Teleport  
- Heal Bell  

Groudon @ Heavy-Duty Boots  
Ability: Fur Coat  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Tidy Up  
- Precipice Blades  
- Toxic  
- Strength Sap  

Arceus-Fairy @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Fairy  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Shore Up  
- Magical Torque  
- Toxic  
- Haze