Hall of Gemstone [Mirage] Vanguard *Troilus and Cressida*

*Troilus and Cressida*

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Its scales contain the essence of thousands of lotus blooms

that player discards a card

(They can't be blocked except by artifact creatures and/or black creatures

Hall of Gemstone [Mirage] Vanguard *Troilus and Cressida*Set: Mirage Type: World Enchantment 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.