Hall of Gemstone Tweet Near Mint, English, limit 8 $5.41 Lightly Played, English, limit 9 $4.87 Moderately Played, English, limit 1 $4.33 Heavily Played, English, limit 1 $3.79 Damaged, English, limit 1 $3.25 Buy This Product Details Color: Green Card Text: 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. Rarity: R Cost: 1GG Card Type: Enchantment Name: Hall of Gemstone Finish: Regular Set Name: Mirage