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Sorry, by "we" I mean me, my mate and the bloke next door.
I went the el-cheapo way and just printed the cards on paper, cut them out and stuck them on to standard playing cards with a glue stick. I can then add custom made event cards easily.
...I do really enjoy the tension and chaos that is Sellswords. RoSD seems more programmed and I'm not sure about repeatability of the scenarios, Sellswords is more open to developing your own scenarios and campaigns...
I think either system benefits from home-brewing scenarios, which is what I did with Sellswords, creating a two-part adaptation of the Conan story, "Beyond the Black River," which I just made available as a free 68-page PDF download on my blog: https://miniaturescrum.blogspot.com/2020/03/striking-back-against-covid-19-free.html
My game group, the Second Saturday Scrum Club, played Sellswords one week and Rangers the next and then had a discussion on video about the two that you can check out here:
My game group, the Second Saturday Scrum Club, played Sellswords one week and Rangers the next and then had a discussion on video about the two that you can check out here: https://youtu.be/-NJ5uF72OQA