I was wondering if you were planning on doing a two-sided design. I find it difficult to write in dark colors on one side, as the light background makes it hard to see. However, with a white background and black OC outlines, it would be much easier.
Let me show you my approach.
Front view (screenshot, I don't own the copyright):
Back (I commissioned an artist to create this, and I retain full copyright, but the artist has non-exclusive usage rights):
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