Up for sale is the monstrous Deep Spawn, an uncommon card from the Fallen Empires expansion of Magic: the Gathering. These are the original, black-bordered, English version.
Deep Spawn: 6/6 Blue Creature (Homarid) with Trample; at the beginning of your upkeep, sacrifice Deep Spawn unless you put the top two cards of your library into your graveyard; spend U to have Deep Spawn gain Shroud until end of turn and have it not untap during your next untap step; tap Deep Spawn; casting cost 5UUU.
These cards are all in at least Very Fine condition, with most being in unplayed, Mint/Near Mint condition.