Mew @ Sablenite  
Ability: Synchronize  
EVs: 252 HP / 248 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Psychic  
- Roost  
- Calm Mind  
- Ice Beam  

Reshiram @ Heavy-Duty Boots  
Ability: Turboblaze  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Flamethrower  
- Toxic  
- Roost  
- Defog  

Hippowdon @ Pinsirite  
Ability: Sand Force  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Earthquake  
- Slack Off  
- Curse  
- Body Slam  

Clefable @ Ampharosite  
Ability: Magic Guard  
EVs: 252 HP / 252 SpD / 4 Spe  
Calm Nature  
IVs: 0 Atk  
- Moonblast  
- Soft-Boiled  
- Stealth Rock  
- Heal Bell  

Hydreigon @ Blastoisinite  
Ability: Levitate  
EVs: 192 SpA / 64 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Flash Cannon  
- Roost  
- Nasty Plot  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 188 HP / 172 Atk / 148 Spe  
Adamant Nature  
- Swords Dance  
- Sunsteel Strike  
- Photon Geyser  
- Morning Sun