Knowing which cards are valuable, in what grades, from which sets, requires serious study
The deck is mostly composed of instants and sorceries, and most of the cards that aren't either an instant or sorcery have abilities which look for those two card types ( Guttersnipe , Storm-Kiln Artist , and Arcane Bombardment are but a few examples)
Unlike the kindred fogs earlier, this doesnt fog an entire color
Avoid storing your cards in basements, attics, or other areas with high humidity
Your naff white-bordered code card could redeem to give you a god-like digital pack, and vice-versa, so, again, why does it feel the need to loudly pass judgment on the cards I just bought
There are few blue creatures as impactful to cheat into play or ramp into