Demonic Counsel is a rare Sorcery card from Duskmourn: House of Horror Promos (PDSK), collector number 92p. Current market price: $1.82 (foil $2.75), TCGplayer market prices via Scryfall.
Search your library for a Demon 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 any card, put it into your hand, then shuffle.