It's the same reason physical trading card collectors like to size up several identical, sealed packs in real life, before buying the one they have the best feeling about
Things only get better if you have any way to bounce/blink it for even more sweet card draw (Brago, King Eternal)
After surpassing the soft limit, you'll get Coins instead of cards, meaning you can be wasting your Code Cards on a resource you can easily get by playing
When they do, we make an experience counter
Cube Rules Covenant of Minds | Illustration by Dan Seagrave Cube is a Limited format, so it follows the same rules as formats like Draft and Sealed
Importance of Using Card Sleeves for MTG Cards Card sleeves are more than just a protective layer for your Magic: The Gathering cards