Lotho, Corrupt Shirriff is a rare Legendary Creature — Halfling Rogue card from Tales of Middle-earth Promos (PLTR), collector number 213s. Current market price: — (foil $25.45), TCGplayer market prices via Scryfall.
Whenever a player casts their second spell each turn, you lose 1 life and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")