You can change the /summon EntityHorse into /summon EntityWolf
Note: Minify the command to avoid issues :)
Pet Zombie horse that you don't need to tame
Thor's Hammer #4 (the one that works)
Insanely weird chest
Thor's Hammer #3
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)