Everyone has long known such a cheat as X-Ray, because with its help you can find resources hidden underground. But using such a cheat can easily lead to a ban on the server. The solution will be transparent textures for Minecraft that will make all blocks transparent except for ore.
DOWNLOAD Transparent textures for Minecraft 1.16.3 / 1.16.2 / 1.15.2 / 1.14.4