Up for sale is the countering Brine Seer, an uncommon card from the Urza's Destiny expansion of Magic: the Gathering. These are the original, black-bordered, English version.
Brine Seer: 1/1 Blue Creature (Human Wizard); spend 2U and tap Brine Seer to reveal any number of Blue cards in your hand; counter target Spell unless its controller pays 1 mana for each card revealed this way; casting cost 3.
These cards are all in at least Very Fine condition, with most being in unplayed, Mint/Near Mint condition.
