Vedalken Shackles is a rare Artifact card from Fifth Dawn (5DN), collector number 164. Current market price: $6.86 (foil $29.34), TCGplayer market prices via Scryfall.
You may choose not to untap this artifact during your untap step. {2}, {T}: Gain control of target creature with power less than or equal to the number of Islands you control for as long as this artifact remains tapped.