$34.98 for the witness
A strong deck with infect as one of many things in its "bag of tricks" can certainly do well in Commander, but the key point is that it's like having another tool in your swiss army knife
In fact, this main set Sauron is so good that if you're looking for a power boost then I would put it in the command zone and put Sauron, Lord of the Rings in the 99, they provide similar value to the deck but Sauron, the Dark Lord is simply stronger
Dockside Extortionist and Jeweled Lotus had base-edition copies sell for as little as $20 a card within hours of the banlist announcement, while Mana Crypt sank to around $80
Unbreathing HordeUnbreathing Horde is a good inclusion as well, since it gets bigger for each zombie you control, and Gisa and Geralf clearly like putting zombies onto the battlefield
Its not necessarily true when X is a Jund player and Y is an Esper player