The Sackville-Bagginses is a rare Legendary Creature — Halfling Citizen card from The Hobbit (HOB), collector number 83. Current market price: $1.58 (foil $1.57), TCGplayer market prices via Scryfall.
When The Sackville-Bagginses enter, you may sacrifice another creature or artifact. If you do, draw a card and create a Treasure token. Whenever you sacrifice a token, target opponent loses 1 life.