What really killing gwent for me is it's instability.
1 run 2 displays, 1 for gwent, 1 for water/firefox or TOR. TOR is plague since 4.0.0 - on average game hangs in 20-25 mins, i.e. after 1 match. If I switch focus window for w/e reason - 90% it will die.
before Iron jusgment everything...