Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 72 HP / 252 SpA / 184 Spe  
Modest Nature  
IVs: 0 Atk  
- Psycho Boost  
- Taunt  
- Spikes  
- Shadow Ball  

Darkrai @ Life Orb  
Ability: Bad Dreams  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Focus Blast  
- Dark Void  
- Psychic  

Arceus @ Lum Berry  
Ability: Multitype  
EVs: 100 HP / 100 Atk / 100 Def / 100 SpD / 100 Spe  
Adamant Nature  
- Extreme Speed  
- Shadow Claw  
- Swords Dance  
- Earthquake  

Groudon @ Lum Berry  
Ability: Drought  
EVs: 252 HP / 144 SpD / 112 Spe  
Careful Nature  
- Earthquake  
- Dragon Claw  
- Stealth Rock  
- Fire Punch  

Latios (M) @ Soul Dew  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 2 Atk / 30 SpA / 30 Spe  
- Draco Meteor  
- Grass Knot  
- Hidden Power [Fire]  
- Thunder  

Dialga @ Choice Scarf  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Fire Blast  
- Aura Sphere  
- Sleep Talk