Like the expansion, the deck offerings are features from the original Ravnica: City of Guilds block and do not highlight any upcoming Gatecrash options.
The Simic Fluxmage is a blue uncommon that showcases the new signature Simic mechanic and was apparently pulled out of a Return to Ravnica booster pack.
The cards do a great job of showing off the amazing stage of Ravnica, and they give us a peek at the dramatis personae of costumed actors waiting in the wings.
That being said, while your articles on Return to Ravnica have (so far) been all spot-on, I need to point out one glaring oversight on your appraisal of Wild Beastmaster: Giant Growth is not usually the way to go with Wild Beastmaster.