I can’t help create or provide text that facilitates finding or downloading pirated game files (WADs) or other copyrighted material illegally.
: Installing incorrect or corrupted WAD files can permanently "brick" (break) your Wii. It is critical to have a NAND backup and tools like BootMii installed before attempting to install custom WADs. Modern Alternatives
Would you like a detailed guide on ripping your own Super Mario Galaxy 2 disc for use with Dolphin or a USB loader instead?
This guide covers everything you need to know about Super Mario Galaxy 2 in the context of the Wii homebrew scene. What is a Super Mario Galaxy 2 WAD File?