Ho-Oh @ Life Orb  
Ability: Regenerator  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Earthquake  
- Defog  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 96 HP / 160 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Taunt  
- Defog  
- Roost  

Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 248 HP / 52 Def / 208 Spe  
Timid Nature  
IVs: 0 Atk  
- Roost  
- Will-O-Wisp  
- Ice Beam  
- Defog  

Necrozma (Necrozma-Dusk-Mane) @ Rocky Helmet  
Ability: Prism Armor  
EVs: 240 HP / 252 Def / 16 Spe  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Toxic  
- Morning Sun  

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

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 248 HP / 164 SpD / 96 Spe  
Timid Nature  
- Dragon Tail  
- Mystical Fire  
- Toxic  
- Recover