![Hall of Gemstone](https://c1.scryfall.com/file/scryfall-cards/normal/front/1/8/18e4551f-9f6c-4421-ad66-a270df6d3463.jpg?1562718296)
Hall of Gemstone |
Enchant World |
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. |
Illustrated by David A. Cherry |
NOT LEGAL Standard
NOT LEGAL Pioneer NOT LEGAL Modern LEGAL Legacy LEGAL Vintage
NOT LEGAL Brawl
NOT LEGAL Historic NOT LEGAL Pauper NOT LEGAL Penny LEGAL Commander |