Sphinx's Approach is a common Instant card from Reality Fracture (FRA), collector number 41. Current market price: $0.73 (foil $1.53), TCGplayer market prices via Scryfall.
Draw two cards. Then you may exile this spell and four cards named Sphinx's Approach from your graveyard. If you do, search your library for a Sphinx creature card, put it onto the battlefield, then shuffle. A deck can have any number of cards named Sphinx's Approach.