Up for sale is the improving Bant Battlemage, an uncommon card from the Shards of Alara expansion of Magic: the Gathering. This is the original, black-bordered, English version.
Bant Battlemage: 2/2 White Creature (Human Wizard); spend G and tap Bant Battlemage to have target Creature gain Trample until end of turn; spend U and tap Bant Battlemage to have target Creature gain Flying until end of turn; casting cost 2W.
These cards are all in at least Very Fine condition, with most being in unplayed, Mint/Near Mint condition.
