As announced on the final day of the 12 Days of Yuletide, the Player's Council is proud to announce that Set V1 is entering beta testing on Gemp! This 64-card sets is available now, with full spoiler in the blog post above.
Shadow of the Past has been worked on slowly over the past year, and is now entering a phase where public feedback can be gathered.
To participate,
log into Gemp and go to the red Playtesting tab; there will be a button for you to Enable Playtesting. Once you've clicked that, there will be three PLAYTEST formats unlocked for you, shown at the bottom of the format selector and deckbuilder.
Alternatively, join one of the Yuletide League events and play games there! Those Leagues are also using the playtest format, and will run until 2 January.