Stein's Hammer

Whenever Stein's Hammer or another artifact
comes into play under your control, you may put
a craft counter on Stein's Hammer.
Stein's Hammer's power and toughness are each
equal to the number of craft counters attached to
it.
Equipped creature gets +*/+*
{p/b}{p/u} Remove {x}craft counters: Return any target
artifact card from any graveyard with mana cost
X or less to the battlefield under your control.
Reconfigure {p/b}{p/u}