Kingdra @wet Rock (252 attack , 252 sp attack , Mild or Rash)
rain Dance
Waterfall
Hydro Pump
Draco Meteor
Rain Dance Water Fall 3hkos Blissey , 2hkos if the pink bitch switches on stealth rock. Even so , I don't think that it can really hurt a lot ....
You could use Life Orb , but kingdra is...