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. Craft only as a sorcery.)
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The Golden-Gear Colossus
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.
