make it so it only explodes when there is stuff on the land

Nice work! You should reassemble it so that it will only explode when something is on it. My hint is to use that generator wall connected to some bomb or something. It can't be impossible. If a guy can make chess on tpt, you can make a working land mine :P

This is awesome! Btw, this is my 1000th POST!!!!!!!!!!!!

Lol...
Maybe you could do something like this: