Mausoleum Secrets 75/259 (Guilds of Ravnica)

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.

NM - $1.80
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50