If you give me a day or two I've got a B/W deck with a similar idea. It too is an EDH deck but.... you'll get the idea. Maybe it'll give you a few ideas.
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I've looked at artful dodge, but oppted not to use it in place of some of my equiptment. the equiptment may not give it unblockability, but a lot of them are deterants from blocking them, like Kasuri-Gama.
Pretty solid take on a vamp deck, but a little slow for my taste... Check out a faster version based around leaving your opponent with no blockers. Deck link: http://www.mtgvault.com/ViewDeck.aspx?DeckID=153774
Just from the cut of those 2 cards you'll be running close to 60 already; so I don't know.
i see a few things that could be cut based on the usefulness in the deck from what i see. Field of souls - only cause you have very few creatures that aren't tokens. Autumn's veil - just because it doesn't really help unless you're that concerned about counter; but I'd cut it.
This should be an interesting deck! >_<
why not try Lullmage Mentor. i use him in my wiz deck atm.
its a shame this deck isn't legal to play... at least not with 4 demonic tutors.
Mind Funeral dude. deffinately Mind Funeral.
If you slim this down a little It could be a beast. Its very similar to my weenie vamp deck, except I run with Dark Depths for a faster win condition.
OUCH! That's like a first turn lockdown. Terrible. :(
Try unsummon instead of repulse for faster play.
When did you add the white dude? Looks a little more solid than before.