Mistfire Weaver is a uncommon Creature — Djinn Wizard card from Khans of Tarkir (KTK), collector number 46. Current market price: $0.26 (foil $0.58), TCGplayer market prices via Scryfall.
Flying Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, target creature you control gains hexproof until end of turn.