Notable Cards: Aladdin Heroic Outlaw Cruella De Vil Miserable as Usual Where to buy: 7
The friction is the crypto layer, which feels smooth once configured but daunting on day one, and a handful of users report checkout hiccups
All of this is to say that Oko is extremely hard to answer in combat, so it largely requires a spell to deal with it (or, as we see in Throne of Eldraine Standard, you can go way over the top of its threat generation by, for example, making lots of 2/2s with Field of the Dead)
Try it out if you get the opportunity
The deck then adds a ton of powerful instants and sorceries
If its a vintage card and it's less than $40, or if its a liquid card like Pikachu then it could be a small profit