Inside Information is a mythic Sorcery card from The Hobbit (HOB), collector number 296. Current market price: $3.06 (foil $6.82), TCGplayer market prices via Scryfall.
Exile the top X cards of target opponent's library. You may play those cards this turn. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.