Make your land like ours!

[Tarbicus]

and then try to see how we stop "Rulers on the rampage" with in the applied law.

Unfortunately, it's only possible through elections. You don't like them you vote them out of power. If they're voted in the nation effectively gives their Members of Parliament their votes for their duration of office. In the UK, without an enforced constitution (we actually have one, and a Bill of Rights, but few know of it and it's completely ignored by the authorities unless challenged in court by its use) we're pretty powerless until election time.
The British Constitution
Sources of the British Constitution
The Bill of Rights 1689
The British Constitution before the 1832 Reform Act