Jirachi @ Leftovers  
Ability: Serene Grace  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
- Calm Mind  
- Psychic  
- Fire Punch  
- Hidden Power [Grass]  

Steelix @ Leftovers  
Ability: Sturdy  
EVs: 252 HP / 36 Atk / 220 SpD  
Impish Nature  
- Earthquake  
- Toxic  
- Roar  
- Rest  

Metagross @ Lum Berry  
Ability: Clear Body  
EVs: 168 HP / 252 Atk / 88 Spe  
Adamant Nature  
- Agility  
- Meteor Mash  
- Earthquake  
- Explosion  

Magneton @ Magnet  
Ability: Magnet Pull  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
- Thunderbolt  
- Hidden Power [Fire]  
- Toxic  
- Protect  

Skarmory @ Leftovers  
Ability: Keen Eye  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Spikes  
- Drill Peck  
- Hidden Power [Ground]  
- Taunt  

Aggron @ Choice Band  
Ability: Rock Head  
EVs: 140 HP / 252 Atk / 116 Spe  
Adamant Nature  
- Earthquake  
- Rock Slide  
- Double-Edge  
- Focus Punch