
Hall of Gemstone
World EnchantmentRare
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
Standard
Alchemy
Pioneer
Historic
Modern
Brawl
Legacy
Timeless
Vintage
Pauper
Commander
Penny
Oathbreaker
Duel





