Wow Great trades to do. You should try it, its no trick.
Note: Minify the command to avoid issues :)
Baby Hreobrine Boss
Diary of Death
Herobrine Amazing Mob
Best Villager Evaa!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)