The Queen of Dale is a mythic Legendary Creature — Human Noble card from The Hobbit (HOB), collector number 24. Current market price: $18.19 (foil $18.40), TCGplayer market prices via Scryfall.
Whenever an opponent casts their first noncreature spell each turn, you recruit. (Draw a card, then discard a card. If you discarded a nonland card, create a 1/1 white Human Soldier creature token.)