Nexus of Fate is a mythic Instant card from Secret Lair Drop (SLD), collector number 1498★. Current market price: — (foil $14.82), TCGplayer market prices via Scryfall.
Take an extra turn after this one. If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.