Rancid Earth is a common Sorcery card from Torment (TOR), collector number 78. Current market price: $0.27 (foil $5.75), TCGplayer market prices via Scryfall.
Destroy target land. Threshold — If there are seven or more cards in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.