Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 248 Def / 8 Spe  
Impish Nature  
- Stealth Rock  
- Morning Sun  
- Earthquake  
- Sunsteel Strike  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Leech Seed  
- Spikes  
- Bullet Seed  
- Protect  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 204 HP / 248 Def / 56 Spe  
Impish Nature  
- Thousand Arrows  
- Rest  
- Coil  
- Glare  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 4 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- U-turn  
- Roost  
- Taunt  

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

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 184 HP / 252 Atk / 72 Spe  
Adamant Nature  
- Behemoth Blade  
- Wild Charge  
- Close Combat  
- Protect