Most people I know open M:tG packs for trading purposes in large quantities (the 36 packs box, 540 cards, is regarded as far too small to be immune to luck) and

Most people I know open M:tG packs for trading purposes in large quantities (the 36 packs box, 540 cards, is regarded as far too small to be immune to luck) and trust the market to align the expected value of packs to their cost.