Haughty Djinn is a rare Creature — Djinn card from Dominaria United Promos (PDMU), collector number 52p. Current market price: $0.46 (foil $1.49), TCGplayer market prices via Scryfall.
Flying Haughty Djinn's power is equal to the number of instant and sorcery cards in your graveyard. Instant and sorcery spells you cast cost {1} less to cast.