Prereleases are great because the set is totally new, the footing is fairly equal as everybody plays with the set for the very first time, and you're all just relaxing and having fun exploring the new cards
In addition to the rare dual lands and regular commons, uncommons, rares, and mythic rares, this slot can include a card with the showcase magnified, showcase dossier, borderless, or Ravnica City treatment
Users frequently highlight the high quality of the cards and appreciate the inclusion of special promo items
For example, cards now have a silver border, an extra rarity symbol has been added in the form of the double star and you will find more rare (holo) cards in each booster
And I'd rather exile it (Karn) or do it for 5 mana (Vraska) than gain a bit of life from it