Rayquaza @ Lum Berry  
Ability: Air Lock  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Draco Meteor  
- Earthquake  
- Fire Blast  
- Extreme Speed  

Forretress @ Leftovers  
Ability: Sturdy  
EVs: 248 HP / 252 SpD / 8 Spe  
Careful Nature  
- Rapid Spin  
- Spikes  
- Toxic Spikes  
- Explosion  

Groudon @ Leftovers  
Ability: Drought  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
- Stealth Rock  
- Earthquake  
- Lava Plume  
- Thunder Wave  

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

Latias (F) @ Soul Dew  
Ability: Levitate  
EVs: 132 HP / 184 SpA / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Grass Knot  
- Calm Mind  
- Roost  

Heatran (F) @ Leftovers  
Ability: Flash Fire  
EVs: 240 HP / 248 SpD / 20 Spe  
Calm Nature  
IVs: 0 Atk  
- Lava Plume  
- Protect  
- Toxic  
- Roar