Mewtwo @ Life Orb  
Ability: Pressure  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Embargo  
- Calm Mind  
- Psystrike  
- Focus Blast  

Arceus @ Power Herb  
Ability: Multitype  
EVs: 92 HP / 252 Atk / 40 Def / 124 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Force  
- Substitute  

Deoxys-Speed @ Light Clay  
Ability: Pressure  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Reflect  
- Light Screen  
- Magic Coat  
- Taunt  

Groudon @ Life Orb  
Ability: Drought  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
IVs: 29 HP  
- Rock Polish  
- Earthquake  
- Dragon Claw  
- Swords Dance  

Rayquaza @ Lum Berry  
Ability: Air Lock  
EVs: 252 Atk / 4 Def / 252 Spe  
Naive Nature  
- Substitute  
- Dragon Dance  
- Outrage  
- Fire Blast  

Terrakion @ Choice Scarf  
Ability: Justified  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Sleep Talk  
- Close Combat  
- Stone Edge  
- Stealth Rock