Hall of Gemstone
(Hall of Gemstone)
- Set: Mirage
- Color: Green
- Cost: 1
- Type: Enchant World
- Rarity: R
- 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 their normal color.
- Cards of equal cost and different color that Hall of Gemstone
- Bazaar of Wonders
- Mystic Decree
- Tombstone Stairwell
- Winter's Night
- Koskun Falls