Hall of Gemstone [Mirage] Legendary Creature Set: Modern Masters 2017 Type:

Set: Modern Masters 2017 Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield

Set: Alliances Type: Artifact Creature — Wall Rarity: Uncommon Cost: {0} Defender

(Aura cards that can't enchant a creature on the battlefield remain in your graveyard

that player sacrifices all but that many permanents

All efforts at eradication have proved futile

Hall of Gemstone [Mirage] Legendary Creature Set: Modern Masters 2017 Type:Set: 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.