Denethor, Ruling Steward is a uncommon Legendary Creature — Human Noble card from The Lord of the Rings: Tales of Middle-earth (LTR), collector number 649. Current market price: $0.34 (foil $0.46), TCGplayer market prices via Scryfall.
At the beginning of your end step, if a creature died under your control this turn, create a 1/1 white Human Soldier creature token. {2}, Sacrifice another creature: Each opponent loses 1 life and you gain 1 life.
All The Lord of the Rings: Tales of Middle-earth cards and prices