Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 252 HP / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Trick  
- Healing Wish  

Garchomp-Mega @ Garchompite  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Earthquake  
- Scale Shot  
- Fire Fang