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As this artifact enters, choose a watermark. Creatures you control with the chosen watermark get +1/+1.
Abilities, attacks, weakness & resistance
Other cards from Unstable
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Stamp of Approval (UST-160) is an Unstable silver-bordered artifact from the 2017 set. As it enters the battlefield you choose a watermark and it grants +1/+1 to creatures you control that have that chosen watermark. This card supports tribal or themed casual decks that leverage matching watermarks as a shared bonus.
Catalog pricing data as of 18 Apr 2026, 13:39
