This is a command to get cool mob I made called the Stray jockey
Note: Minify the command to avoid issues :)
Stray jockey
Potion of Luckyness
Boss:Skeleton of frost
Mob Statues command for ANY mob
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)