It’s a pretty big bunch of announcements for some great upcoming products.

• Rise Among the Worthy” on the plane of Amonkhet. Discover a world ruled by Nicol Bolas when the first set of the Amonkhet block releases April 28, 2017.
• Nicol Bolas is among the most powerful beings in the Multiverse—don’t face him alone! Much like the originalArchenemy release, Archenemy: Nicol Bolas pits you and two friends against a single powerful foe where you must work together to survive—or fall to Nicol Bolas himself.
• The second set in the Amonkhet block, Hour of Devastation, releases July 14, 2017.
• In the same spirit as Duel Decks: Anthology and Planechase Anthology, Commander Anthology gathers four previous Commander products together in one convenient package, releasing June 9, 2017.
• Draft like a master once more as we release Modern Masters 2017 Edition March 17, 2017—featuring cards from Eighth Edition through Magic 2014, including new trips through Innistrad and Return to Ravnica.
• Brains or brawn? Cunning or strength? Test your guile and brute force with Duel Decks: Mind vs. Might, releasing in May of 2017.
• Updates to Magic: The Gathering: Puzzle Quest are here, with Kaladesh content!

Source: http://magic.wizards.com/en/articles/archive/feature/announcement-day-2016-08-31

Overall, some rather exciting news for everyone, especially the reprints for those looking to make even more commander decks or add a few planeswalkers to their collection.