Also, I'd highly recommend Perplex. Check out Psychic Drain as well. I'd drop 2 of the Eradicates, and 2 of the Wind Zendikons, get you closer to 60 cards, and drop the Counterspells entirely, as you are using Induce Paranoia. As far as Consult the Necrosages goes, I'd keep it, it's extremely useful for the draw, plus if you don't need cards, discard is wonderful.
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I'd try to get some Traumatize in there, maybe instead of the Mind Funerals. Check out my mill deck if you like. http://www.mtgvault.com/ViewDeck.aspx?DeckID=60946
Might add Coat of Arms to this one... Gives the backup plan (Spawn swarm) a mighty nice kick on top of the Broodwardens...
I like the addition of Dead Reckoning, makes it a bit interesting. I should add Coalition Relic to mine, that could be fun...
The only way I've really figured out for a mill deck to work against Eldrazi mythics is to either exile the big guys, or use some way to exile the graveyard as an interrupt (Suffer the Past, Walking Atlas + Bajuka Bog, Tormods Crypt, etc.)
I have a similar deck, mine is more geared towards forcing my opponent to take damage no matter what they do. I'm going to drop some of the new Curse of Wizardry spells in it...