Mana Crypt (0017b) from the Special Guests set is a Mythic rarity card valued at $169.76. It plays a significant role in competitive play due to its ability to provide colorless mana without a cost, making it a sought-after addition for many decks. Recently, the card has experienced a 5.7% decline in market value over the past 30 days, reflecting fluctuations in collector interest and market trends.