Tern, Phyrexian Armorer

Equipment you control without living weapon
have living weapon. (When this Equipment enters
the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this Equipment to it.)
Equipped creatures you control get +0/+1.
Metalcraft —{p/w}{p/w}, Sacrifice a Germ: Attach
target Equipment you control to target creature
you control. Activate this ability only if you
control three or more artifacts.