Marowak @ Thick Club  
Ability: Lightning Rod  
EVs: 252 Atk / 44 SpD / 212 Spe  
Adamant Nature  
- Earthquake  
- Hidden Power [Rock]  
- Bonemerang  
- Protect  

Gyarados @ Leftovers  
Ability: Intimidate  
EVs: 212 HP / 164 Atk / 40 Def / 92 Spe  
Adamant Nature  
IVs: 30 SpA / 30 SpD / 30 Spe  
- Hidden Power [Flying]  
- Thunder Wave  
- Protect  
- Leer  

Snorlax @ Choice Band  
Ability: Thick Fat  
EVs: 252 Atk / 244 Def / 12 Spe  
Adamant Nature  
- Shadow Ball  
- Self-Destruct  
- Return  
- Earthquake  

Latias @ Cheri Berry  
Ability: Levitate  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder Wave  
- Helping Hand  
- Psychic  
- Protect  

Starmie @ Petaya Berry  
Ability: Natural Cure  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Pump  
- Skill Swap  
- Endure  
- Ice Beam  

Metagross @ Lum Berry  
Ability: Clear Body  
EVs: 244 HP / 252 Atk / 12 Spe  
Adamant Nature  
- Protect  
- Meteor Mash  
- Earthquake  
- Explosion