When Master's Guide-Mural enters, create a 4/4 white and blue Golem artifact creature token. Craft with artifact {4}{W}{W}{U} ({4}{W}{W}{U}, 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.)
Artist: Racrufi
Master's Manufactory
Artifact
{T}: Create a 4/4 white and blue Golem artifact creature token. Activate only if Master's Manufactory or another artifact entered the battlefield under your control this turn.
"The Fomori are a foul and distant memory, but their war machines taught us much about large-scale armorcraft." —Anim Pakal, Thousandth Moon