Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Sacred Fire  
- Earthquake  
- Defog  
- Roost  

Magearna @ Venusaurite  
Ability: Soul-Heart  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Stored Power  
- Iron Defense  
- Draining Kiss  

Hydreigon @ Blastoisinite  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Earth Power  
- Nasty Plot  
- Roost  

Hippowdon @ Sablenite  
Ability: Sand Stream  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Curse  
- Earthquake  
- Facade  
- Slack Off  

Slowbro @ Manectite  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Ice Beam  
- Teleport  
- Slack Off  

Pheromosa @ Aerodactylite  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- U-turn  
- Toxic  
- Triple Axel  
- Close Combat