Up for sale is the dusty Archaeological Dig, an uncommon card from the Invasion expansion of Magic: the Gathering. These are the Foil, black-bordered, English version.
Archaeological Dig: Land; tap Archaeological Dig to add 1 colorless mana to your mana pool; tap and sacrifice Archaeological Dig to add one mana of any color to your mana pool.
These cards are all in at least Very Fine condition, with most being in unplayed, Mint/Near Mint condition.