Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
Tera Type: Fire  
EVs: 248 HP / 52 Atk / 56 Def / 56 SpD / 96 Spe  
Jolly Nature  
- Flame Charge  
- Flare Blitz  
- Outrage  
- Swords Dance  

Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
Tera Type: Water  
EVs: 104 HP / 188 Atk / 216 Spe  
Adamant Nature  
- Dragon Dance  
- Outrage  
- Crunch  
- Earthquake  

Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
Tera Type: Psychic  
EVs: 216 HP / 60 SpA / 232 Spe  
Timid Nature  
IVs: 0 Atk  
- Hyper Beam  
- Hyper Voice  
- Calm Mind  
- Psychic