I've watched a few videos on these cards and I think they'd be incredibly useful for lots of tasks. They really help with getting you to think in new ways. Right now, the storytelling one is probably most useful to me.
I used to struggle w needing to be “creative” or “original” in my work. At some point I had a breakthrough that really helped me: I cannot repeat an idea, no matter how basic or common, without imparting some of my worldview into it.