it is decent. i will like. I thought about using sun titan in mine (i don't have any copies) but i feel like using him to bring back see gate oracle is not as worth as much as trying to bring back a very aggressive wall such as wall of frost or guard gomazoa. What is your win condition? My guess the strategy is to generally stall by exile/counter/removal so that you can drop a plainswalker, use their big bad effect, and then pressure your opponent into defeat. If that is the case it may be too vulnerable of a strategy. Just a speculation. here is my U/W deck http://www.mtgvault.com/ViewDeck.aspx?DeckID=120187 please tell me what you think
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From playing this a few times, I've noticed that when I am able to drop the six mana to play Carnifex Demon, the smaller creatures have done their role by applying poison counters to an opponent. Carnifex demon then acts as a means to weaken the opponent's offenses (assuming they are creatures) to allow at least one additional turn to proliferate. Because he inadvertently lessens the amount of damage I receive from monsters, it allows me to proliferate more from a contagion clasp or engine. What I mean by standard game mechanic is they way a normal match is played without the presence of Poison. For example, blue-white control/stall decks (ones with a lot shroud) have to be wary to not let a poison counter hit their field because this deck can win without ever having to attack. Also, burn decks have to be more conscious of end-game burning because low cost creatures only have to deal half of the damage (10 poison damage instead of 20 life damage) to eliminate a player. Basically being a revamped play-style that hasn't seen much action in a long time, players who built decks before SOM was released will have to rethink normal strategy when facing an infect/proliferate deck.
admonition angel
24-28 lands is the norm... also i would look into helkite charger as another 5/5 dragon
Stoic Angel would be a nice addition to this