Oracle Text

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)

Equipped creature gets +0/+1 and has "Sacrifice this creature: This creature deals 1 damage to target creature or player."

Equip 2

Card Rulings

6/1/2011 If you sacrifice the equipped creature to deal 1 damage to a target creature or player, the damage is dealt by the creature as it last existed on the battlefield.