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![Mausoleum Secrets (75) [Guilds of Ravnica]](http://alwaysgames.ca/cdn/shop/files/176443_in_1000x1000_286bb0cc-25a0-4a6f-a26c-f826a7a70fa4_1024x.jpg?v=1771549617)
Description
| Set: | Guilds of Ravnica |
| Type: | Instant |
| Rarity: | rare |
| Cost: | {1}{B} |
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.