Deoxys-Attack @ Focus Sash  
Ability: Pressure  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Shadow Ball  
- Extreme Speed  
- Spikes  
- Psycho Boost  

Garchomp @ Choice Scarf  
Ability: Sand Veil  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Dragon Claw  
- Outrage  
- Sleep Talk  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
Shiny: Yes  
EVs: 56 Atk / 252 SpA / 200 Spe  
Naive Nature  
- Draco Meteor  
- Shadow Sneak  
- Hidden Power [Fire]  
- Earthquake  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 240 SpD / 16 Spe  
Careful Nature  
- Stealth Rock  
- Earthquake  
- Dragon Claw  
- Thunder Wave  

Dialga @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 4 Def / 236 SpD / 16 Spe  
Careful Nature  
- Sleep Talk  
- Bulk Up  
- Dragon Claw  
- Rest  

Shaymin-Sky @ Choice Scarf  
Ability: Serene Grace  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 2 Atk / 30 Def  
- Air Slash  
- Seed Flare  
- Hidden Power [Ice]  
- Healing Wish