Necrozma @ Power Herb  
Ability: Prism Armor  
EVs: 192 HP / 160 SpA / 52 SpD / 104 Spe  
Modest Nature  
- Stealth Rock  
- Meteor Beam  
- Photon Geyser  
- Heat Wave  

Celesteela @ Power Herb  
Ability: Beast Boost  
EVs: 40 HP / 252 SpA / 216 Spe  
Modest Nature  
IVs: 0 Atk  
- Meteor Beam  
- Fire Blast  
- Autotomize  
- Energy Ball  

Nihilego @ Power Herb  
Ability: Beast Boost  
EVs: 80 HP / 176 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Pain Split  
- Meteor Beam  
- Sludge Wave  
- Thunderbolt  

Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Cosmic Power  
- Meteor Beam  
- Stored Power  
- Moonlight  

Diancie @ Power Herb  
Ability: Clear Body  
EVs: 28 HP / 252 SpA / 228 Spe  
Timid Nature  
IVs: 0 Atk  
- Rock Polish  
- Meteor Beam  
- Moonblast  
- Earth Power  

Jirachi @ Power Herb  
Ability: Serene Grace  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Protect  
- Meteor Beam  
- Wish  
- Aura Sphere