Transguild Promenade is a land card from Magic: The Gathering's Return to Ravnica set, listed as Unknown rarity (card #249). It provides any color of mana for each type an opponent controls, making it useful in multicolor decks and Commander play. The card currently has a market value of $0.08, indicating low demand or wide availability. Collectors can view it as a functional staple rather than a high-value chase piece.