Heracross @ Choice Band  
Ability: Guts  
EVs: 120 HP / 52 Atk / 192 Def / 8 SpD / 136 Spe  
Adamant Nature  
- Brick Break  
- Hidden Power [Ghost]  
- Megahorn  
- Earthquake  

Vaporeon @ Leftovers  
Ability: Water Absorb  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Acid Armor  
- Rest  
- Surf  
- Ice Beam  

Dragonite @ Liechi Berry  
Ability: Inner Focus  
EVs: 76 HP / 52 Atk / 168 SpD / 212 Spe  
Adamant Nature  
- Substitute  
- Dragon Dance  
- Earthquake  
- Hidden Power [Flying]