This mechanism adds new eggs call mobs and Fireball which as have Gast.
Note: Minify the command to avoid issues :)
NEW SPAWN EGG MOBS!
New machine hard and new spawn egg
Villager pro!
Новые яйца спавна!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)