Demonic Counsel is a rare Sorcery card from Duskmourn: House of Horror (DSK), collector number 310. Current market price: $2.80 (foil $4.04), 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.