Up for sale is the poisoning Artifact Possession, a common card from the Antiquities expansion of Magic: the Gathering. This is the original, black-bordered, English version.
Artifact Possession: Enchantment (Aura - Enchant Artifact); whenever enchanted Artifact becomes tapped or a player plays an activated Ability of enchanted Artifact without tapping in its activation cost, Artifact Possession deals 2 damage to that Artifact's controller; casting cost 2B.
These cards are in Very Fine to Near Mint condition. Most have seen at least some light play.