Xerneas @ Covert Cloak  
Ability: Unaware  
Hidden Power: Steel  
Tera Type: Bug  
EVs: 252 HP / 132 Atk / 90 Def / 1 SpA / 90 SpD / 66 Spe  
Careful Nature  
- Anchor Shot  
- Spectral Thief  
- Heal Order  
- Belly Drum  

Rayquaza-Mega @ Heavy-Duty Boots  
Ability: Delta Stream  
Hidden Power: Water  
Tera Type: Flying  
EVs: 252 HP / 100 Atk / 100 Def / 1 SpA / 100 SpD / 69 Spe  
Impish Nature  
IVs: 30 HP  
- Beak Blast  
- Spectral Thief  
- Heal Order  
- Flip Turn  

Dialga @ Covert Cloak  
Ability: Unaware  
Hidden Power: Dragon  
Tera Type: Dragon  
EVs: 252 HP / 100 Atk / 91 Def / 1 SpA / 90 SpD / 63 Spe  
Sassy Nature  
- Anchor Shot  
- Spectral Thief  
- Heal Order  
- Rapid Spin  

Ho-Oh @ Light Clay  
Ability: Prankster  
Hidden Power: Rock  
Tera Type: Grass  
EVs: 252 HP / 1 Atk / 100 Def / 1 SpA / 100 SpD / 68 Spe  
Bold Nature  
IVs: 0 Atk  
- Reflect  
- Light Screen  
- Heal Order  
- Haze  

Giratina @ Toxic Orb  
Ability: Poison Heal  
Hidden Power: Normal  
Tera Type: Normal  
EVs: 252 HP / 130 Atk / 90 Def / 1 SpA / 90 SpD / 70 Spe  
Adamant Nature  
- Facade  
- Spectral Thief  
- Dragon Dance  
- Ceaseless Edge  

Chansey @ Covert Cloak  
Ability: Imposter  
Happiness: 127  
Hidden Power: Fighting  
Dynamax Level: 999  
Tera Type: Poison  
EVs: 252 HP / 1 Atk / 22 Def / 1 SpA / 1 SpD / 60 Spe  
Relaxed Nature  
- Circle Throw  
- Rest  
- Defog  
- Clear Smog