Tangrowth @ Life Orb
Trait: Regenerator
Nature: Adamant
EVs- Atk+HP
Leech Seed- A must on a RegenTang set.
Rock Slide- Gets rid of 4/5 weaknesses. Nuff said
Earthquake- Last weakness gone. Plus 100% reliable for power+accuracy.
Sleep Powder/Toxic- With a source of status, your opponent will be gouging their eyes out. The only question is bad poison, or sleep?