They also have the interesting tension of being potentially snowbally and good while your ahead, but also giving your opponent more time and life to work with and come back because you're specifically not attacking them
A useful Rule 0 explanation can be as simple as: "My deck is an upgraded precon, has no fast mana, and can win with a three-card combo after turn seven." This would tell the table far more than simply saying, "It's about a seven out of 10." Rule 0 can also be used to modify parts of the format
10 9 Ceruledge EX #147 One Of Only A Couple Of High-Value Cards That Aren't Eeveelutions Estimated Value: $157.00 (Ungraded) - $840.00 (PSA 10) This set is filled with high-value Eeveelutions
It works very nicely alongside the squirrels from Bloomburrow given how the forage mechanic asks you to sacrifice a food if you dont exile cards from your graveyard
While you could use the same kinds of sleeves to protect your cards, smaller sleeves are much more effective
The set they are from will be random