Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 Atk / 252 Spe  
Jolly Nature  
- Brave Bird  
- Sacred Fire  
- Earthquake  
- Substitute  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 252 SpD  
Careful Nature  
- Knock Off  
- Snarl  
- Sucker Punch  
- Roost  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 240 HP / 224 SpD / 44 Spe  
Timid Nature  
IVs: 0 Atk  
- Flamethrower  
- Cosmic Power  
- Meteor Beam  
- Recover  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 224 HP / 252 SpD / 32 Spe  
Careful Nature  
- Stealth Rock  
- Iron Head  
- Morning Sun  
- Thunder Wave  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Atk  
- Iron Defense  
- Body Press  
- Leech Seed  
- Spikes  

Xerneas @ Heavy-Duty Boots  
Ability: Fairy Aura  
EVs: 252 HP / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder Wave  
- Aromatherapy  
- Defog  
- Moonblast