Tom, Bert, and William is a rare Legendary Creature — Troll card from The Hobbit (HOB), collector number 169. Current market price: $0.31 (foil $0.30), TCGplayer market prices via Scryfall.
{1}, Sacrifice another creature: Draw cards equal to the sacrificed creature's power, then discard a card. When Tom, Bert, and William die, if they were a creature, return them to the battlefield. They're an artifact. (They're no longer a creature.)