Hi @William Thompson ,
We can see the Type of each column in the List setting(As shown in the figure below). You can check what type the "Card" column is in the original List, there is no column of type card in Microsoft List. Reference:List and library column types and options
If you want to create a duplicate list from another list that is a production list, You can use the "save list as template" function directly(Copy the entire List directly with content). Many people don't have this option, and it is recommended to use Powershell directly
Please refer to: https://www.sharepointdiary.com/2015/08/save-list-as-template-using-powershell-in-sharepoint.html
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