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

Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Encore  
- Substitute  
- Perish Song  
- Shadow Ball  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Eruption  
- Precipice Blades  
- Stone Edge  
- Hidden Power [Ice]  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 208 Def / 52 SpD  
Impish Nature  
- Defog  
- Toxic  
- Sacred Fire  
- Whirlwind  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Glare  
- Coil  
- Rest  
- Thousand Arrows  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 248 HP / 252 Def  
Impish Nature  
- Sunsteel Strike  
- Morning Sun  
- Stealth Rock  
- Knock Off