Idea From MineCon 2015 in Londen
try this command and plz like this
Note: Minify the command to avoid issues :)
Magic book version 1
moving platforms
custom resipes
Shulker Of Minecraft 1.9
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)