Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Shiny: Yes  
EVs: 252 HP / 252 SpD / 4 Spe  
Sassy Nature  
- Precipice Blades  
- Stealth Rock  
- Lava Plume  
- Hidden Power [Ice]  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Shiny: Yes  
EVs: 72 HP / 252 SpA / 100 SpD / 84 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Aromatherapy  
- Thunder  

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

Arceus @ Chople Berry  
Ability: Multitype  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Earthquake  

Yveltal @ Quick Claw  
Ability: Dark Aura  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
IVs: 0 Atk  
- Foul Play  
- Toxic  
- Roost  
- Defog  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Naive Nature  
- Close Combat  
- Hidden Power [Ice]  
- Spectral Thief  
- Shadow Sneak