Artificer's Guild

At the beginning of your end step put a charge counter on Artificer's Guild if an artifact entered the battlefield under your control this turn, then you may return an artifact from your graveyard to the battlefield with converted mana cost equal to the number of charge counters on Artificer's Guild.
Sacrifice 5 artifacts: Create a 10/10 colorless Giant Golem artifact creature token with indestructible.