Collect the 2018 Guilds of Ravnica Promos foil release of Mausoleum Secrets, a black instant card with Undergrowth and a mana value of 2.
Mausoleum Secrets
2018 • Magic: The Gathering • Guilds of Ravnica Promos
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Market & Price History
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30-day Price History
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Nov 8, 2026
Description
The 2018 Guilds of Ravnica Promos release includes the rare foil version of Mausoleum Secrets, identified by card number 75p. As a black instant within the Magic: The Gathering trading card game, this card carries a mana cost of {1}{B} and a mana value of 2. Its primary function relies on the Undergrowth mechanic, allowing players to search their library for a black card with a mana value less than or equal to the number of creature cards in their graveyard, reveal it, add it to their hand, and then shuffle their library. This interaction makes it a strategic tool for card advantage and resource retrieval in gameplay. Designed by Adam Paquette, the card represents a specific moment in the Guilds of Ravnica block history. The Mausoleum Secrets card from the 2018 Guilds of Ravnica Promos set features a foil finish and a mana cost of {1}{B}. The Undergrowth mechanic requires graveyard management, appealing to players who enjoy decks that leverage discarded creatures. Card number 75p is an Instant spell that allows you to search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard. The combination of its rare foil status and specific gameplay utility ensures it remains a relevant item for both competitive players and dedicated hobbyists looking to expand their Magic: The Gathering trading card game holdings.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
The core identity of the card within the set.
Featured Subject
The subject, team, league, and sport context tied to this card.
Featured
Mausoleum Secrets
Game
Magic: The Gathering
TCG Attributes
Rarity, print treatment, and game-specific stats for this card.
Rare
Adam Paquette
Card Stock
English
Foil
{1}{B}
Instant
B
Card Text
Abilities, attacks, oracle text, and flavor text printed on the card.
Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.
Collector Highlights
Notable collectible traits associated with this card profile.
FAQ
Frequently Asked Questions
What does the Undergrowth mechanic do?
Undergrowth allows you to search your library for a black card with a mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, and then shuffle. This mechanic rewards players for building a graveyard of creatures.
What is the mana cost of Mausoleum Secrets?
The mana cost for Mausoleum Secrets is {1}{B}, requiring one generic mana and one black mana. It has a total mana value of 2.
Is this card part of the base Guilds of Ravnica set?
No, Mausoleum Secrets (75p) is part of the Guilds of Ravnica Promos subset, released in 2018. It is distinct from the main set checklist and features a rare foil treatment.
Cards Named Mausoleum Secrets
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