Coil (Seviper) @ Leftovers  
Ability: Shed Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Coil  
- Poison Jab  
- Earthquake  
- Sucker Punch  

Mixed Offensive (Seviper) @ Life Orb  
Ability: Infiltrator / Shed Skin
EVs: 4 Atk / 252 SpA / 252 Spe
Mild Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Giga Drain  
- Flamethrower  
- Knock Off / Sucker Punch

Physical Scarf (Seviper) @ Choice Scarf  
Ability: Infiltrator / Shed Skin
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Poison Jab  
- Earthquake  
- Aqua Tail  
- Switcheroo  

Special Scarf (Seviper) @ Choice Scarf  
Ability: Infiltrator / Shed Skin
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Giga Drain  
- Flamethrower  
- Switcheroo