Whenever Tetzin or another double-faced artifact enters the battlefield under your control, mill three cards. You may put an artifact card from among them into your hand. Craft with six artifacts {4} ({4}, Exile this artifact, Exile the six from among other permanents you control and/or cards from your graveyard: Return this card transformed under its owner?s control.) 2/2 The Golden-Gear Colossus Color Indicator: White, Blue, and RedLegendary Artifact Creature ? Gnome Vigilance, trample Whenever The Golden-Gear Colossus enters the battlefield or attacks, transform up to one other target double-faced artifact you control. Create two 1/1 colorless Gnome artifact creature tokens. The sum is greater than the parts. 6/6