I'd try Kingdra. I'm looking at the 2011 world's booklet right now and 4 of the top 12 decks (4 in each division) were MegaZone or MegaJudge, and all of them ran Kingdra. Also, I'd drop a copycat for an N, because of Magnetic draw. Also, Magnezone can be 3-1-3 if iyou use Kingdra and 4 Candy.