From Under the Floorboards is a rare Sorcery card from Shadows over Innistrad (SOI), collector number 111. Current market price: $0.32 (foil $0.82), TCGplayer market prices via Scryfall.
Madness {X}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) Create three tapped 2/2 black Zombie creature tokens and you gain 3 life. If this spell's madness cost was paid, instead create X of those tokens and you gain X life.