NM-Mint, English, 20 in stock
See LSV's evaluation of this card, and every other card in Dragons of Tarkir, in his Limited and Constructed Set Reviews.
Color: WhiteCard Text: Flying. When Aven Tactician enters the battlefield, bolster 1 (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)Rarity: CCost: 4WPow/Tgh: 3-FebCard Type: Creature - Bird SoldierArtist: Christopher MoellierName: Aven TacticianFinish: RegularCard Number: 006/264Set Name: Dragons of Tarkir