Lobelia, Defender of Bag End is a rare Legendary Creature — Halfling Citizen card from Tales of Middle-earth Commander (LTC), collector number 110. Current market price: $1.04, TCGplayer market prices via Scryfall.
When Lobelia enters, look at the top card of each opponent's library and exile those cards face down. {T}, Sacrifice an artifact: Choose one — • Until end of turn, you may play a card exiled with Lobelia without paying its mana cost. • Each opponent loses 2 life and you gain 2 life.