Cumulative upkeep {W} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever a Swamp, Mountain, black permanent, or red permanent becomes tapped, this enchantment deals 1 damage to that permanent's controller.
Royal Decree has 1 listed printing; the most valuable is the printing from ALL at US$0.74 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
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