This is From the Undead vs. Villagers Pack.
This is From The Undead Side.
Note: Minify the command to avoid issues :)
Essentials Booklet
Zombie Calvary Soldier
Fallen Astronaut
Butter Ankles
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)