it won't, of course, be alone in your lists
Up to 160 cards can be stored safely in archival-safe, acid-free, non-PVC pages.
For example, Marvel Super Heroes Collector Boosters can contain cards from the main set, the bonus sheet, the Commander precons, the Jumpstart Boosters, and the Scene Boxes
The Barcode is the only of these 3 to also use the Thin Black Border instead of the Thick/Standard ones
You might not have an urgent need for a specific card on turns 2-4, so rather than potentially wasting a tutor on a card that could be rendered useless as the game develops, you can simply set yourself up to make a more informed decision later
Omniscience was very scary in game 1, but became totally manageable after sideboarding