Genesect @ Choice Specs  
Ability: Download  
EVs: 248 HP / 36 Def / 84 SpA / 108 SpD / 32 Spe  
Modest Nature  
IVs: 0 Atk  
- Flash Cannon  
- Thunderbolt  
- Ice Beam  
- Flamethrower  

Gyarados-Mega @ Gyaradosite  
Ability: Intimidate  
EVs: 40 HP / 252 Atk / 216 Spe  
Adamant Nature  
- Dragon Dance  
- Waterfall  
- Outrage  
- Stone Edge  

Charizard-Mega-X @ Charizardite X  
Ability: Blaze  
EVs: 16 HP / 252 Atk / 240 Spe  
Adamant Nature  
- Dragon Dance  
- Substitute  
- Flare Blitz  
- Outrage