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Yes, get rid of all the creatures without exalted.

I would go with something like:


Creatures: 21

Duty-Bound Dead x3
Knight of Infamy x3
Servant of Nefarox x3
Liliana's Shade x3
Duskmantle Prowler x3
Veilborn Ghoul x3
Nefarox, Overlord of Grixis x3


Cathedral of War x4
Swamp x 20

Spells/enchants/etc: 19

Black Sun's Zenith x3
Doom Blade x3
Go For the Throat x3
Murder x3
Blood Reckoning x3
Mark of the Vampire x4


Having more than 20 lands in a standard monodeck just seems like a waste to me unless you have a pump creature like Liliana's Shade or a large number of creatures/spells with a high CMC then I could see the justification in running more than 20.  Without Liliana's Shade I would just run 20 land.  Since you are primarily running exalted I would just stick with that and get more spot-removal spells.  With Black Sun's Zenith I would only actually cast that card if your opponent gets something out that could win them the game but you can't destroy like Avacyn, Angel of Hope for example.


-NW