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

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 208 Def / 48 Spe  
Impish Nature  
- Thousand Arrows  
- Rest  
- Haze  
- Glare  

Chansey (F) @ Eviolite  
Ability: Natural Cure  
EVs: 4 HP / 252 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Teleport  
- Toxic  
- Soft-Boiled  
- Aromatherapy  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 Atk / 252 SpD / 4 Spe  
Gentle Nature  
- Knock Off  
- Defog  
- Dual Wingbeat  
- Roost  

Yveltal @ Life Orb  
Ability: Dark Aura  
Shiny: Yes  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Oblivion Wing  
- Dark Pulse  
- Steel Wing  
- Heat Wave  

Shedinja @ Heavy-Duty Boots  
Ability: Wonder Guard  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Protect  
- Shadow Sneak  
- Will-O-Wisp  
- Toxic