Happy to hear those intentions! I think open-source and closed-source games for either fun or profit would all be potential targets and AFAIK all the example licenses I gave do allow closed-source for profit usages... unlike GPL for example.
I totally get your reluctance regarding loss of attribution or copycats. Looking forward to your solution of this puzzle ;) I think a total ripoff and post to Unity's asset store would violate the "license and copyright notice" requirement of the licenses I mentioned.
Here is a list to contrast and compare licenses maintained by Github https://choosealicense.com/appendix/