Seviper @ Life Orb
Ability: Infiltrator
EVs: 40 Atk / 252 SpA / 216 Spe
Rash Nature
- Sludge Wave
- Earthquake / Knock Off
- Giga Drain
- Sucker Punch

Seviper @ Choice Scarf
Ability: Infiltrator
EVs: 4 Atk / 252 SpA / 252 Spe
Naive Nature
- Sludge Wave
- Earthquake
- Giga Drain
- Hidden Power Ice / Knock Off / Switcheroo
---------------------
Optional Move(s): 
- Aqua Tail
- Flamethrower
- Glare
- Poison Jab
Optional Item(s): 
- Choice Band
- Choice Specs
Optional Ability:  
- Shed Skin
Optional EV/IV(s): 
- 252 Atk / 4 Def / 252 Spe (Adamant / Jolly)
- 4 Def / 252 SpA / 252 Spe (Modest / Timid)