You get a mob spawner that you can put on your head.
Achtung: Minifiziere den Command um Probleme zu vermeiden :)
My Sunglass Head
Mob Spawner Head
THCommandBlocks' War Weapons
The Unbelievable Sword of the Ultimate DOOM!
go 1000mph with a walking stick
TnT
Get cool minecraft banners in ONE COMMAND NO MODS!
Herobrine's Flesh