Ho-Oh @ Lum Berry  
Ability: Pressure  
EVs: 208 HP / 180 Atk / 120 Spe  
Adamant Nature  
- Brave Bird  
- Sacred Fire  
- Roost  
- Substitute  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Earthquake  
- Dragon Claw  
- Lava Plume  
- Stealth Rock  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 112 SpD / 144 Spe  
Calm Nature  
IVs: 0 Atk  
- Lava Plume  
- Toxic  
- Taunt  
- Protect  

Mewtwo @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 28 Def / 232 Spe  
Timid Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Taunt  
- Light Screen  
- Recover  

Latias (F) @ Soul Dew  
Ability: Levitate  
EVs: 96 HP / 216 SpA / 196 Spe  
Timid Nature  
IVs: 2 Atk / 30 SpA / 30 Spe  
- Draco Meteor  
- Grass Knot  
- Hidden Power [Fire]  
- Recover  

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