Sideboard

5/1 
Apparently, someone wanted to buy my deck when they played it.  It's a fun deck with a insta-kill poison angle.  Attacking is discouraged because of the infect, and defense is discouraged because of the Doom blades, virulent wounds, and consume the meek.  There is also a blinding mage/Royal Assassin combo in the deck that forces a tap and kills the creature.  There is also a suicide proliferate combo with the Core Prowler and an instakill card, like doom blade.

8/1
I added some of the new phyrexian cards to replace the unstandard ones.  Also, those cards are more versatile than blinding mages anyway, so awesome!!  Also, Spirit mantle was just too cool not to use.  I have 2 nuke the battlefield cards in Life's finale and Black Sun's Zenith.