100 sleeves mean you can fully sleeve up a Commander deck, complete with your commander itself, or you can get a deck ready for FNM, while still having a few left over in case you split a sleeve or two while playing
You can also sometimes snag an even better deal if you get lucky during an auction, though I often prefer to look for the buy-it now options so I can move on with my day
Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Alchemy, Pauper
Double-Prints: An Anomaly Among Anomalies Sometimes, but not very often at all, cards in seeded products like Jumpstart packs or an entire Commander deck will be egregiously misprinted with a double-printing
So many creative and unique decks have already popped up in the format, but someone has to be the fun police, and it might as well be you