Necromancer's Stockpile is a rare Enchantment card from Magic 2015 (M15), collector number 108. Current market price: $0.28 (foil $1.21), TCGplayer market prices via Scryfall.
{1}{B}, Discard a creature card: Draw a card. If the discarded card was a Zombie card, create a tapped 2/2 black Zombie creature token.