Litematica is one of the most useful Minecraft mods for builders. It adds a ton of extra functionality to creative mode, including area cloning, moving, filling, and deleting.

After enabling X-ray in Minecraft 1.21.7 by installing the downloaded resource pack, head into a game and use the feature to locate ores, trial chambers, and other hidden structures.

There's a reason that some of the best Minecraft mods have been downloaded by hundreds of millions of players, further enhancing their experience.