Artificers Factory

On your upkeep put an {e} Counter on this card.
At any time you may sacrifice an artifact you
control and add a {e} counter for each mana in
that cards Converted mana cost.
You many sacrifice This card at any time.
if you do, search your library for {x} artifacts with
Converted mana cost {x} Where {x} is the amount.
of {e} counters on this card