Lashwrithe
{4}
Artifact -- Equipment
Living weapon (When ~this~ enters, 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 {b/p}{b/p} ({b/p} can be paid with either {B} or 2 life.)
Nightmare Lash
{4}
Artifact -- Equipment
Equipped creature gets +1/+1 for each Swamp you control.
Equip--Pay 3 life. (Pay 3 life: Attach to target creature you control. Equip only as a sorcery. ~this~ enters unattached and stays on the battlefield if the creature leaves.)