Ho-Oh @ Choice Band  
Ability: Regenerator  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Sacred Fire  
- Brave Bird  
- Earthquake  
- Toxic  

Marshadow @ Choice Scarf  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Shadow Sneak  
- Close Combat  
- Pursuit  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 252 HP / 164 Def / 92 Spe  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Judgment  
- Recover  
- Ice Beam  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 144 HP / 176 Atk / 188 Spe  
Adamant Nature  
- Swords Dance  
- Stealth Rock  
- Fire Punch  
- Precipice Blades  

Metagross @ Metagrossite  
Ability: Clear Body  
EVs: 232 HP / 56 Atk / 40 SpD / 176 Spe  
Jolly Nature  
- Meteor Mash  
- Ice Punch  
- Thunder Punch  
- Bullet Punch  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 172 Def / 244 SpA / 92 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Geomancy  
- Focus Blast  
- Thunder