Yveltal @ Choice Band  
Ability: Dark Aura  
EVs: 188 Atk / 68 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- U-turn  
- Roost  
- Sucker Punch  

Ditto @ Choice Scarf  
Ability: Imposter  
Shiny: Yes  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Transform  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Cosmic Power  
- Meteor Beam  
- Dragon Pulse  
- Recover  

Blissey (F) @ Utility Umbrella  
Ability: Natural Cure  
EVs: 4 HP / 252 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Aromatherapy  
- Stealth Rock  
- Soft-Boiled  
- Confide  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Shiny: Yes  
EVs: 248 HP / 156 Def / 88 SpD / 16 Spe  
Impish Nature  
- Defog  
- Brave Bird  
- Sacred Fire  
- Whirlwind  

Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 16 HP / 252 Def / 240 Spe  
Timid Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Ice Beam  
- Hex  
- Roost