I like to hear a Lore story by using Gwent Cards.
and the upcoming events content. for example, the valentine event were announce on the effective date. I wish if there is a place I can see what's the upcoming event and get hype or get ready to it.
edit: add more idea
Other than Art Competition which it is already great! what's about features competition? I mean an event that players can submit any ideas of their Dream Gwent which to make the Gwent better, more fun, more intense., etc. Maybe players have tons of good idea and the winner is CDPR just make that idea become reality.
for example Gwent should have a mod friendly capability which might lead to a new solo campaign in Gwent or new game mode (not auto chess but something new and fun other than seasonal or draft game mode or players can create puzzle like puzzle in Thronebreaker). So, a new daily quest maybe try to solve 3 quests to earn 60gold.
I just notice that today we have Gwent Open Qualifier#3 (top 16 from season of love). However, the news section of the official gwent provide only participants name. and Gwent Masters Twitter posted that Specimen will host the live final match. Since CDPR already have this event, CDPR can add more content like:
a) before the tournament start, add a section to follow up which channel will be casted and where players can see deck list
b) during tournament, that section put a live twitch.tv link there. as well as decklist
c) after tournament, that section put a video of past tournament there.
d) further than that, statistic, match review, decklist analysis etc can be add further.
This will make at least 2 weeks of each months have more and rich contents which lead to more engaging.