Ho-Oh @ Choice Band  
Ability: Regenerator  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Brave Bird  
- Sacred Fire  
- Earthquake  
- Toxic  

Zygarde @ Lucarionite  
Ability: Aura Break  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Extreme Speed  
- Outrage  

Blissey @ Ampharosite  
Ability: Natural Cure  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Shadow Ball  
- Toxic  
- Soft-Boiled  

Swampert @ Sablenite  
Ability: Damp  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Scald  
- Earthquake  
- Flip Turn  
- Yawn  

Regieleki @ Altarianite  
Ability: Transistor  
EVs: 252 Atk / 180 SpA / 76 Spe  
Naughty Nature  
- Volt Switch  
- Rapid Spin  
- Extreme Speed  
- Explosion  

Solgaleo @ Latiasite  
Ability: Full Metal Body  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Psyshock  
- Flamethrower  
- Morning Sun