Mewtwo-Mega-X @ Choice Band  
Ability: Sword of Ruin  
Tera Type: Psychic  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Psychic Fangs  
- U-turn  
- Poison Fang  

Diancie-Mega @ Pixie Plate  
Ability: Pixilate  
Tera Type: Rock  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Fake Out  
- Extreme Speed  
- Boomburst  
- V-create  

Dondozo @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Stone Axe  
- Strength Sap  
- Mortal Spin  
- Flip Turn  

Ho-Oh @ Heavy-Duty Boots  
Ability: Liquid Ooze  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Salt Cure  
- Knock Off  
- Shore Up  

Goodra-Hisui @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Knock Off  
- Rapid Spin  
- U-turn  
- Shore Up  

Chansey (F) @ Spooky Plate  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Shore Up  
- Teleport  
- Haze  
- Heal Bell