| Name | Mausoleum Secrets |
|---|---|
| Mana Cost |  
|
| Converted Mana Cost | 2 |
| Types | Instant |
| Text | Undergrowth — Search your library for a black card with converted mana cost less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle your library. |
| Expansion |  Guilds of Ravnica
|
| Rarity | Rare |
| 2018-10-05 | A land card that produces black mana, even a Swamp, normally has no color. |
| 2018-10-05 | If a card in your library has  in its mana cost, X is considered to be 0.
|
| 2018-10-05 | Creature cards with other types, such as artifact creature cards, count for undergrowth abilities. |
| 2018-10-05 | Because tokens aren’t cards, they never count for undergrowth abilities. |