I got one that worked quite nicely. Got me to battle 30 or so I think.
Swampert @ Leftovers
Trait: Torrent
EVs: 240 HP, 56 Atk, 212 Def
Impish (+Def, -SAtk)
- Earthquake
- Stealth Rock
- Avalanche
- Waterfall
Waterfall does surprisingly huge amounts of damage to whatshisname's...