Charizard-Mega-X @ Charizardite X  
Ability: Blaze  
EVs: 208 HP / 240 Atk / 60 Spe  
Adamant Nature  
- Thunder Punch  
- Outrage  
- Flare Blitz  
- Dragon Dance  

Hoopa-Unbound @ Choice Specs  
Ability: Magician  
EVs: 248 HP / 204 Def / 4 SpA / 36 SpD / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Hidden Power [Ice]  
- Thunderbolt  
- Dark Pulse  
- Hyperspace Hole  

Swampert-Mega @ Swampertite  
Ability: Damp  
EVs: 208 HP / 16 Atk / 36 SpA / 248 SpD  
Brave Nature  
- Yawn  
- Protect  
- Earthquake  
- Ice Beam