Magnezone @ Choice Specs  
Ability: Magnet Pull  
EVs: 64 HP / 252 SpA / 8 SpD / 184 Spe  
Modest Nature  
IVs: 0 Atk  
- Hidden Power [Fire]  
- Thunderbolt  
- Volt Switch  
- Flash Cannon  

Garchomp-Mega @ Garchompite  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Scale Shot  
- Earthquake  
- Iron Head