Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 48 HP / 72 Def / 252 SpA / 136 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunder  
- Substitute  
- Geomancy  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Sunsteel Strike  
- Earthquake  
- Moonlight  
- Stealth Rock  

Yveltal @ Black Glasses  
Ability: Dark Aura  
EVs: 188 Atk / 68 SpD / 252 Spe  
Jolly Nature  
- Hone Claws  
- Knock Off  
- Dual Wingbeat  
- Roost  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 248 HP / 168 SpD / 92 Spe  
Timid Nature  
- Dynamax Cannon  
- Flamethrower  
- Dragon Tail  
- Recover  

Marshadow @ Choice Band  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Ice Punch  

Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Hex  
- Roost  
- Defog