Plaguebringer

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ
creature token, then attach this to it.)
Equipped creature gets +1/+1 for each Swamp
you control.
Equip {p/b}{p/b} ({p/b} can be paid with either {b} or 2 life.)
"This blade originally played host to the souls of a trio
of Beasts of Nurgle."