Hall of Gemstone [Mirage] Oldschool Set: Prophecy Type: Creature —

Set: Prophecy Type: Creature — Avatar Rarity: Rare Cost: {6}{B}{B} If there are ten or more creature cards total in all graveyards

" This effect lasts indefinitely

You gain life equal to the life lost this way

infecting the land with his final curse

Set: Scars of Mirrodin Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from green and from blue

Hall of Gemstone [Mirage] Oldschool Set: Prophecy Type: Creature —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.