Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 Atk / 4 Def / 252 SpD  
Adamant Nature  
- Rock Polish  
- Hone Claws  
- Stone Edge  
- Fire Punch  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 4 Atk / 116 Def / 136 Spe  
Adamant Nature  
- Thousand Arrows  
- Dragon Dance  
- Outrage  
- Extreme Speed  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Behemoth Blade  
- Play Rough  
- Close Combat  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Insomnia  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Ice Beam  
- Shadow Ball  
- Nasty Plot  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Earthquake  
- Photon Geyser  
- Sunsteel Strike  

Pheromosa @ Focus Sash  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Focus Blast  
- Bug Buzz  
- Ice Beam  
- Rest