Rai
<a href="http://pokegym.net/forums/showpost.php?p=
... or just wait for the promo Dusknoir to totally screw up any Gardevoir deck.
Or be AMAZING at flipping heads and play... Toxicroak. *dun dun dun*
Sounds a LOT easier to tech into a deck then many things listed here *cough*Banette*cough*MismagiusNeedingScramble*cough*