Celebrate the Mountain-king is a uncommon Enchantment card from The Hobbit (HOB), collector number 7. Current market price: $0.20 (foil $0.24), TCGplayer market prices via Scryfall.
When this enchantment enters, for each opponent, exile up to one target nonland permanent that player controls until this enchantment leaves the battlefield. When this enchantment enters, recruit. (Draw a card, then discard a card. If you discarded a nonland card, create a 1/1 white Human Soldier creature token.)