Alakazam is "magic" datapack that currently adds 2 new blocks these include the "Biome heart", and "Ender quarry" the Biome heart allowing the changing of biomes based on the block below it, and the ender quarry is powered by throwing a ender pearl on top

i hope you enjoy :)

Youtube showcase: https://www.youtube.com/watch?v=25H__sgKDYY

warning: the biome heart may be destructive in some situations