Unison biome

It's a biome with every biome different biome in it  but you have to craft a certain item that can only be crafted by trading with a nitwit villager and you have to get a nitwit that has a certain design like a wood badge that corresponds to the biome the villager is and the nitwit will give you a key of the biome I the nitwit is in for 64 emeralds and once you get a key of every biome you will get a portal set at spawn that will send you to a complete copy of the world and you can't go back and in the copy of your world there will be a area at witch you got your last key from and you have to craft all the keys together by using a crafting table that's 20 by 20 so you can put all the keys in and at the area that you came from to get to the copy will be the unison biome.