NBA 2K19 Random Mods

@echo off
setlocal EnableDelayedExpansion
rem Enter into the directory that contain the folders
pushd "STARTING FOLDER"
rem Create an array with all folders
set i=0
for /D %%a in (*) do (
   set /A i+=1
   set folder[!i!]=%%a
)
rem Randomly select one folder
set /A index=(%random%*i)/32768 + 1
rem Copy the desired files
copy "!folder[%index%]!\" "TARGET FOLDER" /Y
rem And return to original directory
popd

START steam://rungameid/841370
endlocal