Up for sale is the hiding Camouflage, an uncommon card from the Alpha (1st) Edition of Magic: the Gathering. These are the original, black-bordered, English version.
Camouflage: Instant; play Camouflage only during the declare attackers step; this turn, instead of declaring blockers, the defending player chooses any number of Creatures s/he controls and divides them into a number of piles equal to the number of attacking Creatures; assign each pile to a different attacking Creature at random, and any Creatures in that pile that can block the Creature do so; (Piles can be empty.); casting cost G.
These cards are all in at least Very Fine condition, with most being in unplayed, Mint/Near Mint condition.