Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 16 HP / 240 SpD / 252 Spe  
Timid Nature  
- Knock Off  
- U-turn  
- Toxic  
- Roost  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 240 HP / 252 SpD / 16 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Recover  
- Meteor Beam  
- Cosmic Power  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Morning Sun  
- Earthquake  
- Stealth Rock  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Defog  
- Toxic  
- Whirlwind  

Calyrex-Ice @ Leftovers  
Ability: As One (Glastrier)  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Substitute  
- Swords Dance  
- Leech Seed  
- Glacial Lance  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Poltergeist  
- Close Combat  
- Shadow Sneak  
- Rock Tomb