Boros Mastiff is a creature card from the Magic: The Gathering Dragons Maze set, categorized as an Unknown rarity. Currently valued at $0.21, this card features a red and white color identity, reflecting the Boros guild's themes of aggression and order. Although not a top-tier competitive choice, it holds appeal for collectors due to its unique artwork and connection to the lore of the game. Market interest remains stable, typical for cards of its rarity.