Waiting to see how a game does when it's released on the market is a smart way to make sure resources are spent appropriately. Such has been the case for Plaid Hat Games and Ashes: Rise of the Phoenixborn. The initial set has had some time to percolate among the gaming populace and, as such, Plaid Hat has decided to give us an update about the future of the game, including various expansions that are soon to be coming.
The Frostdale Giants will be a new natural magic deck, while The Children of Blackcloud will be a ceremonial magic deck. The sets will be available in late April, with pre-orders coming in February.
Those two will be the first in a new schedule of expansion decks coming for the game, with new ones to be released every 3 months thereon. After that, you can look forward to a box set with four new decks and two new types of dice will come in November. Then in 2017 (planning ahead is crucial), they will once more have two new decks coming out every three months.
As for your international gamers, you can look forward to Ashes, and the expansions, to be available in French, German, Italian, and Polish.