Rings of Brighthearth is a mythic Artifact card from Tales of Middle-earth Commander (LTC), collector number 352. Current market price: $14.91 (foil $16.39), TCGplayer market prices via Scryfall.
Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.