Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
EVs: 16 HP / 60 Atk / 180 Def / 252 Spe  
Jolly Nature  
- Rock Tomb  
- Flare Blitz  
- Outrage  
- Dragon Dance  

Metagross-Mega @ Metagrossite  
Ability: Clear Body  
EVs: 248 HP / 56 Atk / 128 Def / 52 SpD / 24 Spe  
Adamant Nature  
- Bullet Punch  
- Earthquake  
- Laser Focus  
- Meteor Mash  

Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 96 HP / 64 Def / 244 SpA / 104 Spe  
Modest Nature  
IVs: 0 Atk  
- Encore  
- Psyshock  
- Hyper Voice  
- Hyper Beam