Jund is one of the top decks in the Extended format, and here is everything you should need to supplement your playtesting with it for Grand Prix: Atlanta!

[…] One thing I think many people underestimate is Mythic’s ability to last in a long game, which is its biggest asset against Control. Between your Planeswalkers and manlands, it’s not hard to have a significant board presence with only one or two creatures committed. The Knights, in particular, are frequently quite large, which lets you play out a single threat at a time and make the opponent answer it before committing another. […]

Corbin Hosler offers a unique take on the results of Worlds and how it affects the Extended format in particular. He breaks down the players in the format and lets you know which cards are spiking after the event.