Hylda's Crown of Winter is a rare Legendary Artifact card from Wilds of Eldraine Promos (PWOE), collector number 247p. Current market price: $0.86 (foil $0.78), TCGplayer market prices via Scryfall.
{1}, {T}: Tap target creature. This ability costs {1} less to activate during your turn. {3}, Sacrifice Hylda's Crown of Winter: Draw a card for each tapped creature your opponents control.