Valve's Next Game Entering Beta in October

Artifact, the upcoming Dota 2-themed digital card game from Half-Life creator Valve, will go into beta this October.
Announced during The International, Dota 2's massive world championship tournament, Valve revealed that everyone in attendance would be getting a copy of the game and access to the beta. People who play Artifact at the upcoming PAX West public gameplay reveal will also receive a code for the game with beta access.
Valve didn't specify if there would be an open beta, but since you