Infect Aggro

[Agrus Kos, Enforcer of Truth]

I am trying to get into Modern looking for some help. Here is a deck list:

7   {Swamp}
4   {Island}
2   {Cathedral of War}
4   {Darkslick Shores}
3   {Inkmoth Nexus}
4   {Drowned Catacomb}


4   {Blighted Agent}
4   {Phyrexian Crusader}
3   {Hand of the Praetors}


3   {Dismember}
4   {Mana Leak}
2   {Nameless Inversion}
2   {Serum Visions}
3   {Gitaxian Probe}
4   {Virulent Wound}
2   {Trepanation Blade}
3   {Mutagenic Growth}
3   {Dispel}