Hall of Gemstone (221) [Mirage] Grading:Near Mint Put a counter of that

Put a counter of that kind on target permanent you control if it doesn't have a counter of that kind on it

Set: Theros Beyond Death Promos Type: Legendary Planeswalker — Ashiok Rarity: mythic Cost: {3}{U}{B} +1: Create a 2/3 blue and black Nightmare creature token with "Whenever this token attacks or blocks

If the player does

you may cast this card from exile without paying its mana cost

Hall of Gemstone (221) [Mirage] Grading:Near Mint Put a counter of thatSet: Mirage 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.