Thanks for that, I should have noticed, I have a lot but not as many as I thought, Follow up I get the white on black question mark, but the red cross on white? I assume that card hasn't been done yet, - Thanks for your guidance - great game

I've been getting cards and now have all the common and uncommon cards, I'm still 1 short on thr rare cards and 6 short on the legendary cards, and a couple of times I only got more dust because the cards were locked by the story. I have not chosen a faction in the slave revolt in Dorgania, this causes a branch in the story and I wanted to delay all the duplication that involves, However thaks for your help and guidance. Happy New Year to you and the community.

No. It's just a little bonus gimmick for the fun of it. It has no effect on other events or unlocks anything special.