I'm still relatively new to MtG and I'm trying to create a mono black aggro deck using phyrexian arena for speed and bad moon with tons of small creatures. Carnophage and vampire lacerator deal upkeep damage, allowing death's shadow to wreck face. It's actually somewhat of a budgeted Sui-Black (aka no Juzam).
4 Death's Shadow
4 Vampire Lacerator
4 Black Knight
4 Terror
4 Sign In Blood
4 Hidden Horror
4 Ashenmoor Gouger
4 Dark Ritual
4 Lotus Petal
16 Swamp
http://forums.mtgsalvation.com/showthread.php?t=149536
(Siggy adapted, DarkHunter1357 (deviantART))