Marshadow @ Choice Band  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Rock Tomb  

Groudon (Groudon-Primal) @ Red Orb  
Ability: Drought  
EVs: 248 HP / 216 Atk / 44 Spe  
Adamant Nature  
- Earthquake  
- Smack Down  
- Swords Dance  
- Stealth Rock  

Ho-Oh @ Choice Band  
Ability: Regenerator  
EVs: 248 HP / 252 Atk / 8 Def  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Earthquake  
- Toxic  

Yveltal @ Choice Specs  
Ability: Dark Aura  
Shiny: Yes  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Dark Pulse  
- Oblivion Wing  
- Heat Wave  
- U-turn  

Necrozma (Necrozma-Dusk-Mane) @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Photon Geyser  
- Sunsteel Strike  
- Earthquake  
- Swords Dance  

Arceus (Arceus-Fairy) @ Pixie Plate  
Ability: Multitype  
EVs: 248 HP / 196 Def / 44 SpD / 20 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Toxic  
- Defog