I'd like to see a few more mill cards in there but I don't know what you would take out...? You almost need to Jarad's orderd both Consuming Abberations so that you can mill more effectively but at 5 mana, that's really late game.
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Plus, even Boros Elite would be a 5/5.... This and other really strong mid/late game decks are going to rock once Innistrad goes out.
Awesome idea with the Essence Harvest, going to have to add it to my Golgari deck. Great way to do tons of dmg even if your creatures are getting blocked!
I play against a similar deck last night at FMN and got my butt handed to me....Boros based decks seem so OP right now....
Cool take on Boros/Battalion without just putting every Battalion card in the deck and calling it complete. Sideboard probably needs something to handle artifacts, Vandalblast perhaps? I like it personally because I think flying is a very underestimated ability and is largely overlooked in a lot of decks. I also like the thought of using Cloudshift aggressively, where usually it is used defensively to counter burn or destroy, mechanic cards.