Siphonic Steel

When Siphonic Steel enters the battlefield,
create a 1/1 black Zombie creature token
with decayed, then attach Siphonic Steel to
it. (It can't block. When it attacks, sacrifice it at
the end of combat.)
Equipped creature gets +1/+1 and has lifelink.
Equip {3} ({3}: Attach to target creature you
control. Equip only as a sorcery.)