Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X.
Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.
Unbound Flourishing has 4 listed printings; the most valuable is the Secret Lair printing from SLD at US$19.28 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
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