Heracross @ Choice Band  
Ability: Swarm  
EVs: 152 Atk / 208 SpD / 148 Spe  
Jolly Nature  
- Counter  
- Megahorn  
- Close Combat  
- Earthquake  

Sylveon @ Mental Herb  
Ability: Pixilate  
EVs: 248 HP / 212 Def / 36 SpA / 12 Spe  
Bold Nature  
IVs: 0 Atk  
- Yawn  
- Protect  
- Fake Tears  
- Hyper Beam  

Donphan @ Choice Band  
Ability: Sturdy  
EVs: 252 Atk / 252 Def / 4 Spe  
Adamant Nature  
IVs: 0 SpD  
- Earthquake  
- Stone Edge  
- Ice Shard  
- Counter