Steam News announces that Faeria is free for the next 24 hours. The post doesn't clarify, but this is permanent. Adding the game to your account before 7:00 pm EDT tomorrow will allow you to keep it forever. Here's word:

For a limited time, get Faeria for free!*

Faeria combines the core values of Strategy Card Games together with a Living Board, giving you the ability to shape the board as you play to create mind-blowing strategies. Each game of Faeria is not only unique, beautiful and fast-paced but also highly competitive with upcoming features such as an observer mode and integrated tournaments.

*Offer ends August 10th at 4pm Pacific.