caonduty
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You may want to think about Volcano Hellion. With a Pariah on Stuffy Doll, you can have the Hellion deal infinite damage to your Doll and yourself, all of this damage shooting right through the Doll and at your opponent.
I love the inclusion of the Duos. It's a very underrated card. You might want something cheaper than the Advice for card draw. Ponder is very efficient, and fits into the mana curve a little better. Why Wipe Away over Boomerang? Are you worried about counterspells or the activated abilities of the permanent?
Two cards to think about: Gaddock Teeg and Boreal Druid.
You can add Mycosynth Lattice to shortcut the combo a little: Blasting Station + Summoning Station + Mycosynth Lattice = inf. damage.
The Bannerets really do. You may not heavily value them now, but wait. I have very rarely had to pay for the colorless part of any spell in a similar deck. I also agree that Cryptics will help. Remember that right now, decks like this in standard need to focus on playing too many threats, forcing your opponent to use up as much of his/her removal spells/counterspells as possible. After he/she is spent, you still need an attacker to kill with, but not a "kill spell."