Rayquaza @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Brave Bird  
- Mind Blown  
- Dragon Energy  
- Strength Sap  

Diancie @ Leftovers  
Ability: Liquid Ooze  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Diamond Storm  
- Spectral Thief  
- Knock Off  
- Strength Sap  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Soft-Boiled  
- Whirlwind  
- Heal Bell  
- Poison Fang  

Lunala @ Rocky Helmet  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Core Enforcer  
- Glare  
- Hex  
- Roost  

Dialga @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Core Enforcer  
- Doom Desire  
- Nuzzle  
- U-turn  

Ho-Oh @ Heavy-Duty Boots  
Ability: Aerilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Rapid Spin  
- Extreme Speed  
- Fire Lash  
- Recover