1 Command: /tp @p @e[type=Blaze]
Note: Minify the command to avoid issues :)
RIDEABLE BLAZE IN TWO COMMANDS!
BOSS BLAZE
GIANT MAGMA CUBE
ScaryCraft
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)