Forretress @ Custap Berry  
Ability: Sturdy  
EVs: 252 HP / 4 Atk / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Stealth Rock  
- Explosion  
- Gyro Ball  
- Toxic  

Magnezone @ Leftovers  
Ability: Magnet Pull  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 2 Atk / 30 SpA  
- Magnet Rise  
- Thunderbolt  
- Hidden Power [Grass]  
- Thunder Wave  

Metagross @ Iron Ball  
Ability: Clear Body  
EVs: 252 HP / 236 Atk / 20 Spe  
Adamant Nature  
- Trick  
- Earthquake  
- Meteor Mash  
- Explosion  

Mamoswine @ Life Orb  
Ability: Oblivious  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Ice Shard  
- Ice Fang  
- Stone Edge  

Dragonite @ Lum Berry  
Ability: Inner Focus  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Dragon Dance  
- Outrage  
- Earthquake  
- Fire Blast  

Latias (F) @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Draco Meteor  
- Dragon Pulse  
- Surf  
- Trick