If you single sleeve your cards then that Code Red Mountain Dew that just spilled all over your expensive Commander deck has already found its way into your sleeve and is now destroying your cards
That goes for the foil packs, too
Fortunately this is not however what MTG: Arena wants you to do and likely for that very reason and so it puts carrots out there for you to get involved in the higher echelons of the games competitive scene and it does this in a number of really clever ways
I made a few exceptions for the Black Star Promos from EX and XY era, which are grouped on the first page so the rest of the binder pages can be arranged chronologically without any blank spaces
Originally, I wanted to build a giant, five-colored zoo deck featuring Vampire Bats, Manta Rays, Stampeding Rhinos, Mountain Goats, and Savannah Lions
This includes its Eternal Zone Ability, which allows you to stock up your Bench with up to eight Dark Pokemon