By replacing the creative and idiosyncratic card choices of yesteryear with straightforward generic options, these for-Commander products are theoretically helpful and accessible power boosts, but in practice, they disrupt the freedom many players cherish as essential to the format
If you open one of those Rares, you then have a "free pick" for whatever will improve your deck the most - an Uncommon, or that Rare/Mythic (which is now worth 20/40 gems to you)
Store thousands of token options in a single deck box
Gwaihir the Windlord, Shadowfax, Lord of Horses, and Shelob, Child of Ungoliant encourage you to build decks around Birds, Horses, and Spiders, respectively
Aladdins Ring Weve got another ring, and this one is unsurprisingly worse
I can perfectly imagine that decks will adapt their builds so that they are hurt less in case a bad mill from PokStop happens, but I totally see this card as a must-have for strategies like Mad Party, Zoroark Toolbox and maybe turbo decks