Living weapon (When this Equipment enters the battlefield, put a 0/0 black Germ creature token onto the battlefield, 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
Official Rulings for Mortarpod
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.