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Ice Punch isn't possible with Unaware.
Personally, I run this set.
Ditto gay@Leftovers
Unaware - +Def -Atk
252 HP/ 252 Def / 4 Sp. Def
-Toxic
-Haze
-Recover
-Ice Beam
Quagsire isn't immortal, and Haze is here for it.
Finally i found my personal anti-Ditto.
Quagsire@Leftovers
Unaware - +Def -Atk 252 HP/ 252 Def / 4 Sp. Def
-Toxic
-Haze
-Recover
-Ice Beam/Protect
Ice beam is for shut down my Salamence.
It works well for any setupper anyway.
Zuruzukin@Leftovers
Shed Skin
252 HP/216Def/40SpDef
Careful (+SpDef -SpAtk)
-Bulk Up
-Roar
-Crunch
-Drain Punch
Here a couple of video I made:
http://www.youtube.com/watch?v=OgHLzPySlFE
http://www.youtube.com/watch?v=ZuXDYvkTbhQ