Entrancing Lyre is a uncommon Artifact card from Theros Beyond Death (THB), collector number 233. Current market price: $0.11 (foil $0.22), TCGplayer market prices via Scryfall.
You may choose not to untap this artifact during your untap step. {X}, {T}: Tap target creature with power X or less. It doesn't untap during its controller's untap step for as long as this artifact remains tapped.