I've been using this spread and moveset on Showdown, and it really works:
Sableye @ Leftovers
Ability: Prankster
Nature: Bold
EVs: 252 HP, 252 Def, 4 Sp. Def
- Will-o-Wisp
- Taunt
- Recover
- Foul Play
As already said in this thread, this kind of Sableye stops most physical attackers cold and...