Tempest Hawk is a common Creature — Bird card from Tarkir: Dragonstorm (TDM), collector number 31. Current market price: $0.55 (foil $1.61), TCGplayer market prices via Scryfall.
Flying Whenever this creature deals combat damage to a player, you may search your library for a card named Tempest Hawk, reveal it, put it into your hand, then shuffle. A deck can have any number of cards named Tempest Hawk.