Master's Guide-Mural // Master's Manufactory

When this artifact enters, create a 4/4 white and blue Golem artifact creature token. Craft with artifact 4WWU (4WWU, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

T: Create a 4/4 white and blue Golem artifact creature token. Activate only if this artifact or another artifact entered the battlefield under your control this turn.