Map maker mode

A mode like creative where you can build a map using tools you couldn't get in creative mode like a mountain builder and being able to customize what villagers trade and what there houses will look like and being able to copy the map to a survival world where achievements are aloud and being to customize the map size (at 100 block intervals) up to a specified number this tool should be included with realms plus and be as customizable as possible so that you can have the parts of the packs that you do want and exclude the ones you don't this addition to the game will add a limitless perspective where you can build a map and play on it with your friends to your perfect liking. Also add an editor to 2d items and villager and monster clothing as well as a filter for where certain mobs are aloud to go and how many mobs at one time.