![Hall of Gemstone (Brian Selden) (SB) [World Championship Decks 1998]](http://tothetablebgc.myshopify.com/cdn/shop/files/7218a171-661e-41d9-b406-cdf650689f08_3b599421-10e5-4f29-978d-804b86d03f21.png?v=1776401385&width=900)
MTG Single
Hall of Gemstone (Brian Selden) (SB) [World Championship Decks 1998]
$5.72
| Set: | World Championship Decks 1998 |
| Type: | World Enchantment |
| Rarity: | Rare |
| Cost: | {1}{G}{G} |
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.