EDHREC isnt perfect data, as theres a big weight towards cards in precons, but its the main source we have to work with
Heres a quick recommendation based on different use cases: Best for multiple retailers : Stellar AIO Supports Pokmon Center, Walmart, Target, Best Buy, and more
If youre running expendable tokens (like, I dunno, Treasure), you end up with a nice little card advantage engine
Prices are updated based upon Pokemon Burger King listings that sold on eBay and other marketplaces
You will run through your whole deck many times most of the times anyway
You dont need to worry about the enters trigger on Cloudblazer or deal with the first activation of a Griselbrand when you can just fire off a Counterspell or Force of Will to prevent them from hitting the board at all