Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Behemoth Blade  
- Close Combat  
- Wild Charge  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Shiny: Yes  
EVs: 100 HP / 248 SpA / 160 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Hidden Power [Fire]  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Shiny: Yes  
EVs: 252 HP / 76 Def / 180 SpD  
Sassy Nature  
- Precipice Blades  
- Stone Edge  
- Overheat  
- Roar  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Sacred Fire  
- Toxic  
- Protect  
- Defog  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
Shiny: Yes  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Toxic  
- Moonlight  

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