Latios (M) @ Lum Berry  
Ability: Levitate  
EVs: 40 HP / 252 SpA / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Ice Beam  
- Psychic  
- Protect  

Gyarados @ Leftovers  
Ability: Intimidate  
EVs: 76 HP / 252 Atk / 40 Def / 20 SpD / 120 Spe  
Adamant Nature  
IVs: 22 SpA / 30 SpD / 30 Spe  
- Earthquake  
- Hidden Power [Flying]  
- Dragon Dance  
- Substitute  

Marowak @ Thick Club  
Ability: Rock Head  
EVs: 196 HP / 16 Atk / 248 SpD / 48 Spe  
Careful Nature  
- Earthquake  
- Hidden Power [Rock]  
- Perish Song  
- Protect