Steelix (F) @ Leftovers
Trait: Sturdy
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature (+Def, -SAtk)
- Earthquake
- Rest
- Roar
- Gyro Ball
Steelix can come in on Superpower, just barely survive the second one then proceed stall it out with Rest, finishing it with 2 earthquakes when it has -4 or -5...