This was just a revised list for a deck another person posted. It was easier than dropping a wall of text on his deck's page as a comment. :)
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Hey there. I like the deck, but I would definitely change it around to give it a little more direction. Cascade and exalted are both great mechanics, but I don't think they will necessarily work well together because I believe it will spread the deck too thin. I revised the list a bit to something that I think will work well for you in a tournament environment. If you have any questions, feel free to ask! Here's my revised list: http://www.mtgvault.com/ViewDeck.aspx?DeckID=31922 Best of luck to you.