Field of the Dead is a rare Land card from Secret Lair Drop (SLD), collector number 1356. Current market price: $79.36 (foil $85.87), TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {C}. Whenever this land or another land you control enters, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.