We've probably discussed this a hundred times already... :) Take SoD 3.2 and check what's possible and what isn't. There's no double casting, and you can't sell artifacts at inflated prices – and you won't have any questions. If you don't have SoD 3.2, download the executable (it's 2.7 MB) and use it! :)
The thing is, I downloaded the executable and copied it, replacing the original file in the game folder. Double casting disappeared, but selling artifacts at inflated prices still works. I don'