Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 236 Atk / 4 Def / 16 Spe  
Adamant Nature  
- Stealth Rock  
- Thunder Wave  
- Precipice Blades  
- Rock Slide  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 136 Def / 120 Spe  
Impish Nature  
- Sunsteel Strike  
- Morning Sun  
- Earthquake  
- Dragon Dance  

Kyurem-White @ Heavy-Duty Boots  
Ability: Turboblaze  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Draco Meteor  
- Roost  
- Freeze-Dry  
- Fusion Flare  

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Knock Off  
- U-turn  
- Defog  
- Roost  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Poltergeist  
- Close Combat  
- Shadow Sneak  
- Ice Punch