u/DungeonFlounder

Hello all!
I recently purchased a lot of L5R cards of different editions. It seems like a lot of celestial, emperor, and ivory, from what I can tell from the dates on the cards. Would I be able to use the cards together, or should I be separating them out? I’ve read something about legacy rules format, but not sure where to find it.
Thanks very much!

I’ve been looking to run some L5R, probably in a pbp format. I have a lot of 1st edition stuff, and really enjoy reading it. I have read that 4th edition is the most polished version of the roll and keep system, so was leaning towards using those rules. Is there any pitfalls to this plan I should be aware of? Any mechanic in 1st that would not be reflected in 4th? Thank you!