Traverse the Ulvenwald is a rare Sorcery card from Shadows over Innistrad (SOI), collector number 234. Current market price: $0.56 (foil $2.28), TCGplayer market prices via Scryfall.
Search your library for a basic land card, reveal it, put it into your hand, then shuffle. Delirium — If there are four or more card types among cards in your graveyard, instead search your library for a creature or land card, reveal it, put it into your hand, then shuffle.