"To fill your mind with knowledge, we must start by emptying it." Barrin, master wizard
As with other marketplaces like eBay and TCGPlayer, theres an excellent selection of sets available for purchase, but the biggest draw for many n this area is likely to be the easy access to different languages of cards
At the same time, it has evasive, meaning only other character with evasive can even think of challenging Genie
There isn't much talk in any of the competitive formats about a serious use of Tezzeret, Betrayer of Flesh, and you will only see a few casual commander lists pop up here and there
If your deck is good with dead cards this means you can play more situational cards if you want because the cost of having them is less detrimental
Changing the rules would also be a bigger upheaval these days than it was when War of the Spark launched