Hall of Gemstone is a rare World Enchantment card from Magic: The Gathering (Mirage, MIR). Current market price: $14.70.
Rare
Mirage (MIR)
{1}{G}{G}
Mana Value
3
Colors
G
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.
