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Whenever you crank this Contraption, until end of turn, target creature becomes an artifact in addition to its other types and gains "{T}: You gain 3 life."
Abilities, attacks, weakness & resistance
Other cards from Unstable
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Auto-Key (UST 170, foil) is a silver‑border artifact Contraption from Unstable. When you crank it, it makes a target creature an artifact and gives that creature an activatable tap ability that lets you gain 3 life until end of turn. As a Contraption it lives in and interacts with the special Contraption deck/sprocket rules rather than the normal main deck and battlefield zones.
Catalog pricing data as of 22 Apr 2026, 07:35
