Latios-Mega @ Latiosite  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Draco Meteor  
- Psychic  
- Roost  
- Earthquake  

Mantine (M) @ Leftovers  
Ability: Water Absorb  
EVs: 248 HP / 248 Def / 12 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Roost  
- Haze  
- Defog  

Heatran (M) @ Firium Z  
Ability: Flash Fire  
EVs: 240 HP / 16 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Earth Power  
- Toxic  
- Flash Cannon  

Clefable (F) @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Moonblast  
- Soft-Boiled  
- Knock Off  
- Stealth Rock  

Buzzwole @ Leftovers  
Ability: Beast Boost  
EVs: 172 HP / 200 Atk / 112 SpD / 24 Spe  
Adamant Nature  
- Drain Punch  
- Substitute  
- Earthquake  
- Ice Punch  

Kartana @ Choice Scarf  
Ability: Beast Boost  
Shiny: Yes  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Knock Off  
- Smart Strike  
- Sacred Sword