Minecraft 1.16 Update

==Minecraft 1.16: Ideas==
1.16 Title Idea : The Beginning Update
I got this idea from the end dimension, so why not the beginning dimension?
Additions
+ Bluebur Block (Opposite of Purpur Block)
+ Bluebur Stairs
+ Bluebur Pillars
+ Beginning Rod
+ Bluevetation (Makes you only able to move right and left depending on which direction you are facing, after effect ends you get levitation 0:10. Shot from Bluekers 0:15)
Mobs
+ Bluekers (Shulkers that give you Bluevetation)
+ Bluederman (Enderman opposite)
+ Bluedermite (Endermite opposite)
Dimensions
+ Beginning Dimension
   + Beginning City
Commands
+ /tpendcity
+ /tpbeginningcity
Portals
+ Beginning Portal