Groudon @ Red Orb  
Ability: Drought  
EVs: 248 HP / 136 Def / 116 SpA / 8 Spe  
Lax Nature  
- Precipice Blades  
- Fire Blast  
- Hidden Power [Ice]  
- Rock Polish  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Steel  
EVs: 248 HP / 176 Atk / 20 Def / 56 SpD / 8 Spe  
Adamant Nature  
- Brave Bird  
- Sacred Fire  
- Defog  
- Whirlwind  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Dark  
EVs: 120 HP / 252 SpA / 136 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Calm Mind  
- Recover  
- Taunt  

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Ground  
EVs: 12 HP / 216 Atk / 48 SpD / 232 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Dragon Tail  

Marshadow @ Choice Band  
Ability: Technician  
Tera Type: Ghost  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Poltergeist  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 16 HP / 24 Def / 244 SpA / 224 Spe  
Naive Nature  
IVs: 4 Atk  
- Stealth Rock  
- Photon Geyser  
- Earth Power  
- Stone Edge