Heracross-Mega @ Heracronite  
Ability: Moxie  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Close Combat  
- Rock Blast  
- Pin Missile  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 56 HP / 200 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Glare  
- Hidden Power [Fire]  
- Substitute  

Zygarde @ Leftovers  
Ability: Aura Break  
EVs: 236 HP / 160 SpD / 112 Spe  
Jolly Nature  
- Thousand Arrows  
- Glare  
- Coil  
- Substitute