Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Astral Barrage  
- Psyshock  
- Trick  
- Aromatherapy  

Zygarde @ Life Orb  
Ability: Power Construct  
EVs: 8 HP / 244 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Thousand Arrows  
- Stone Edge  
- Rest  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 240 Def / 16 Spe  
Impish Nature  
- Stealth Rock  
- Iron Head  
- Toxic  
- Morning Sun  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 48 HP / 4 Def / 204 SpD / 252 Spe  
Jolly Nature  
- Defog  
- Knock Off  
- Roost  
- Taunt  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 176 HP / 200 SpD / 132 Spe  
Timid Nature  
- Dynamax Cannon  
- Light Screen  
- Recover  
- Dragon Tail  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 188 Atk / 56 SpD / 16 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Earthquake  
- Thunder Wave