At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color.
Colour identity Green
In short
Hall of Gemstone has 2 listed printings; the most valuable is the printing from MIR at US$13.75 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
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