It's not the most popular way to build Zur, but that's a testament to the flexibility of this Esper commander
As the combination of draft and set boosters (both of which you may still see on store shelves), play boosters cost a bit more than previous draft boosters, but that's because there's a decent chance of getting more rares
Additionally, WotC also decided to experiment with powerful asymmetrical lock effects somewhere around War of the Spark
If Phyrexian Processor were more like Riptide Replicator, with which you get to choose a color and creature type, then it would be in the deck
I spent many hours playing it, so it was inevitable to look for the Magic sets based on this universe, and thus I decided to build a deck focused on Shadowheart
Its rough if you went deep on sealed boxes or singles for speculation, but it shouldnt be bad if you just have a few playsets of each card put away for personal use