Instant -
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. | Instant -
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. |
