Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 64 Atk / 192 SpD  
Adamant Nature  
- Dragon Tail  
- Fire Punch  
- Earthquake  
- Rock Tomb  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Recover  
- Thunder Wave  
- Judgment  
- Roar  

Rayquaza-Mega @ Choice Band  
Ability: Delta Stream  
Shiny: Yes  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- Scale Shot  
- Extreme Speed  
- V-create  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 30 Atk  
- Transform  

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

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Thunder Wave  
- Stealth Rock  
- Sunsteel Strike  
- Morning Sun