Plain ol' skeles
Note: Minify the command to avoid issues :)
SUMMON SKELETONS!
Crazy Negative Potion!
OP Trades! (Ores for God)
Make armor stands with ARMS! (READ DESCRIPTION!)
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)