Gravebreaker Lamia is a rare Enchantment Creature — Snake Lamia card from Theros Beyond Death Promos (PTHB), collector number 98p. Current market price: $1.91 (foil $0.50), TCGplayer market prices via Scryfall.
Lifelink When this creature enters, search your library for a card, put it into your graveyard, then shuffle. Spells you cast from your graveyard cost {1} less to cast.