Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 20 HP / 240 SpD / 248 Spe  
Jolly Nature  
- Knock Off  
- Roost  
- U-turn  
- Defog  

Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 248 HP / 20 Def / 240 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Will-O-Wisp  
- Roar  
- Roost  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 240 HP / 156 SpD / 112 Spe  
Careful Nature  
- Sunsteel Strike  
- Morning Sun  
- Knock Off  
- Dragon Dance  

Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
IVs: 0 Atk  
- Stealth Rock  
- Soft-Boiled  
- Moonblast  
- Aromatherapy  

Groudon @ Leftovers  
Ability: Drought  
EVs: 100 HP / 252 Atk / 156 Spe  
Adamant Nature  
- Precipice Blades  
- Stone Edge  
- Swords Dance  
- Rock Polish  

Eternatus @ Air Balloon  
Ability: Pressure  
EVs: 172 HP / 152 Def / 88 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Recover  
- Meteor Beam  
- Cosmic Power