Mazemind Tome (Schematic) is a Rare artifact card from the Magic: The Gathering set, The Brothers' War: Retro Frame Artifacts, bearing the serial number #93. Currently valued at $249.35, this card appeals to collectors due to its unique design and scarcity. As part of a limited edition, it showcases the retro aesthetic while offering gameplay benefits, making it a notable addition to both competitive decks and personal collections.