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

Serperior @ Choice Scarf 
Ability: Contrary 
EVs: 252 SpA / 4 SpD / 252 Spe 
Timid Nature 
IVs: 0 Atk 
- Leaf Storm 
- Glare 
- Defog / Hidden Power [Fire] 
- Knock Off