Have you ever needed to mirror a build, a really large build that took days to make?
Insteads of wasting time with re-building a mirrored version, just use the Mirror Wand!
How it works:
Use the Mirror Wand, and hit any brick. All of the bricks that it supports will be selected with it.
If you move the brick to the left, then it will be mirrored in that direction. The same goes with all directions.
If you place the brick in a diagonal line (other than a direct 45 degrees) it will snap the mirror to the nearest axis, and place the mirrored build there.
If you place the brick above or below the brick, then it is substituted with the brick's vertically reversed brick. If there is not a brick to replace it, then a regular non-special brick of the same size will take its place. If there is still no replacement, then it simply will not be mirrored, and a notification will occur of how many bricks failed to mirror successfully.
The wand can be any color (preferrably not white, blue, red, or green), but must be obtainable through typing "/mirror". There needs to be prefs for flood time, admin only, items, and events.