Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 16 HP / 240 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Defog  
- Roost  
- Foul Play  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 240 HP / 252 Def / 16 SpD  
Impish Nature  
- Sunsteel Strike  
- Morning Sun  
- Toxic  
- Stealth Rock  

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

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 84 HP / 84 Def / 160 SpD / 180 Spe  
Impish Nature  
- Dragon Tail  
- Thousand Arrows  
- Dragon Dance  
- Substitute  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 192 Def / 52 SpD / 16 Spe  
Impish Nature  
- Sacred Fire  
- Defog  
- Thunder Wave  
- Whirlwind  

Calyrex-Shadow @ Choice Specs  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Aromatherapy  
- Trick