Up for sale is the damaging Backfire, an uncommon card from the Fourth (4th) Edition of Magic: the Gathering. These are the white-bordered, French version.
Backfire: Enchantment (Aura - Enchant Creature); whenever enchanted Creature deals damage to you, Backfire deals that much damage to that Creature's controller; casting cost U.
These cards are all in at least Very Fine condition, with most being in unplayed, Mint/Near Mint condition.