Kyren Archive is a rare Artifact — Book card from Mercadian Masques (MMQ), collector number 302. Current market price: $0.32 (foil $7.13), TCGplayer market prices via Scryfall.
At the beginning of your upkeep, you may exile the top card of your library face down. {5}, Discard your hand, Sacrifice this artifact: Put all cards exiled with this artifact into their owner's hand.