Deoxys-Speed @ Psychic Gem  
Ability: Pressure  
EVs: 40 HP / 252 SpA / 216 Spe  
Naive Nature  
IVs: 2 Atk / 30 SpA / 30 Spe  
- Psyshock  
- Taunt  
- Hidden Power [Fire]  
- Spikes  

Groudon @ Rocky Helmet  
Ability: Drought  
EVs: 252 HP / 56 Def / 80 SpD / 120 Spe  
Impish Nature  
- Earthquake  
- Stone Edge  
- Roar  
- Stealth Rock  

Latios (M) @ Soul Dew  
Ability: Levitate  
EVs: 60 HP / 252 SpA / 196 Spe  
Timid Nature  
IVs: 3 Atk / 30 Def / 30 SpA / 30 SpD / 30 Spe  
- Draco Meteor  
- Hidden Power [Fighting]  
- Psyshock  
- Roar  

Genesect @ Choice Scarf  
Ability: Download  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Thunder Wave  
- Sleep Talk  

Darkrai @ Dark Gem  
Ability: Bad Dreams  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Focus Blast  
- Nasty Plot  
- Dark Void  

Arceus-Ghost @ Spooky Plate  
Ability: Multitype  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Shadow Claw  
- Brick Break  
- Extreme Speed  
- Swords Dance