![Hall of Gemstone (Brian Selden) (SB) [World Championship Decks 1998]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/hall-gemstone-brian-selden-sb-world-championship-decks-1998.webp)
Description
| 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.
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