Up for sale is the untapping Beacon Hawk, a common card from the Dissension expansion of Magic: the Gathering. These are the original, black-bordered, English version.
Beacon Hawk: 1/1 White Creature (Bird) with Flying; whenever Beacon Hawk deals combat damage to a player, you may untap target Creature; spend W to have Beacon Hawk get +0/+1 until end of turn; casting cost 1W.
These cards are in at least Very Fine condition, with most being in Near Mint or better condition.