4 Swarmyard
1 Alms of the Vein
1 Chain Reaction
1 Changeling Berserker
1 Dark Prophecy
1 Harsh Sustenance
4 Marrow-Gnawer
4 Ogre Slumlord
4 Pack Rat
1 Phyrexian Arena
4 Plague of Vermin
4 Ratcatcher
4 Throat Slitter
4 Typhoid Rats
Sideboard: