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There's probably enough in Kill La Kill to actually make a set, though maybe just a stand alone, not sure. I'd want to introduce subtypes to Equipment so that there could be a Nudist Beach faction with "Unequippable- Garments" as their main thing. Of course, you would need to make equipment actually good for such a set, and given that I don't know why it's considered to not be, I'm not sure what needs to be done.
Edit: Yes, Senketsu should be a "Raiment" not a Golem, but I was just doing single cards when I made Senketsu, and I try to not add subtypes unless they matter to a set. Also Legendary, that I just fucking forgot. And it's Raiment not Garment because Garment takes up too much space on Ryuko's line. And she's a science experiment, which makes her a Mutant in MtG.
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