Up for sale is the Artifact-munching Atog, an uncommon card from the Mirrodin expansion of Magic: the Gathering. These are the original, black-bordered, English version.
Atog: 1/2 Red Creature (Atog); sacrifice an Artifact to have Atog get +2/+2 until end of turn; casting cost 1R.
These cards are all in at least Very Fine condition, with most being in unplayed, Mint/Near Mint condition.