Groudon @ Red Orb  
Ability: Drought  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Precipice Blades  
- Roar  
- Fire Punch  
- Stealth Rock  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
Shiny: Yes  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Focus Blast  
- Aromatherapy  
- Thunder  

Arceus @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 240 Def / 16 Spe  
Serious Nature  
IVs: 0 Atk  
- Judgment  
- Toxic  
- Ice Beam  
- Defog  

Marshadow @ Focus Sash  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Close Combat  
- Spectral Thief  
- Shadow Sneak  
- Endeavor  

Kyogre @ Blue Orb  
Ability: Drizzle  
EVs: 252 HP / 252 SpA / 4 Spe  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Thunder  
- Ice Beam  
- Calm Mind  

Rayquaza @ Life Orb  
Ability: Air Lock  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- Dragon Dance  
- Earthquake  
- Extreme Speed