Worldly Counsel is a common Instant card from Invasion (INV), collector number 89. Current market price: $0.11 (foil $1.25), TCGplayer market prices via Scryfall.
Domain — Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put one of those cards into your hand and the rest on the bottom of your library in any order.