Calyrex-Shadow @ Buginium Z  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Pollen Puff  
- Astral Barrage  
- Substitute  

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Roost  
- Foul Play  
- U-turn  
- Defog  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Coil  
- Glare  
- Thousand Arrows  
- Rest  

Groudon-Primal @ Red Orb  
Ability: Drought  
EVs: 252 HP / 36 Def / 220 SpD  
Sassy Nature  
- Overheat  
- Precipice Blades  
- Stone Edge  
- Rest  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 248 HP / 252 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Hidden Power [Fire]  
- Thunder