The Metro (dimension)

The Metro would be an electronic wasteland filled with towering buildings and dunes scattered in areas.

The reason that someone would go here is because of Metal. Metal can be used to craft disks that can be thrown and act as boomerangs, as well as Metal arrows that can be shot and attract lightning similar to a Lightning Rod. Metal can also be crafted into a block and etc. And as for mobs, I honestly don't have a lot of ideas. Maybe some Attack Drones or Electronic Golems? Or maybe Overworld mobs fused with mechanical parts? Let me know what you think.

To get to this dimension is to craft a portal. how do you craft the portal? I don't know, leave that to Mojang.

I know that the chances of this being added to Minecraft is very low, however, I thought that it would still be a good idea to share this idea with the community. Even if it might not be added, it still might be a mod one day.