Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 248 HP / 100 SpD / 160 Spe  
Careful Nature  
- Sunsteel Strike  
- Earthquake  
- Swords Dance  
- Morning Sun  

Groudon (Groudon-Primal) @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 244 SpD / 16 Spe  
Careful Nature  
- Precipice Blades  
- Rock Slide  
- Stealth Rock  
- Toxic  

Yveltal @ Leftovers  
Ability: Dark Aura  
EVs: 176 HP / 252 Def / 80 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Toxic  
- Roost  
- Defog  

Zygarde @ Dragonium Z  
Ability: Power Construct  
EVs: 236 Atk / 40 SpD / 232 Spe  
Adamant Nature  
- Thousand Arrows  
- Dragon Dance  
- Outrage  
- Extreme Speed  

Arceus @ Life Orb  
Ability: Multitype  
EVs: 232 HP / 252 Atk / 4 Def / 20 Spe  
Adamant Nature  
- Extreme Speed  
- Shadow Claw  
- Swords Dance  
- Recover  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 180 Def / 252 SpA / 76 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunder  
- Focus Blast  
- Geomancy