Up for sale is the flippable Callow Jushi, an uncommon card from the Betrayers of Kamigawa expansion of Magic: the Gathering. These are the original, black-bordered, English version.
Callow Jushi: 2/2 Blue Creature (Human Wizard); whenever you play a Spirit or Arcane Spell, you may put a ki counter on Callow Jushi; at end of turn, if there are two or more ki counters on Callow Jushi, you may flip it; casting cost 1UU.
Flips to become...
Jaraku the Interloper: 3/4 Blue Legendary Creature (Spirit); remove a ki counter from Jaraku the Interloper to counter target Spell unless its controller pays 2 mana.
These cards are all in at least Very Fine condition, with most being in unplayed, Mint/Near Mint condition.