Gravebreaker Lamia is a rare Enchantment Creature — Snake Lamia card from Theros Beyond Death (THB), collector number 314. Current market price: $2.99 (foil $4.86), 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.