Repeating https://en.wikipedia.org/wiki/Land_value_tax https://en.wikipedia.org/wiki/Land_value_tax as it was my main suggestion and the one you left out. But

Repeating https://en.wikipedia.org/wiki/Land_value_tax https://en.wikipedia.org/wiki/Land_value_tax as it was my main suggestion and the one you left out. But the bigger problem is that even if a simpler and less distortionary tax system were adopted, governments if permitted to will just gradually add all the other kinds of taxes on top, purporting to need to in this modern world.