Note: Minify the command to avoid issues :)
INSTA-KILL TROLL POTION [[WARNING KILLS PLAYERS IN CREATIVE!!!!!!!!!]]
Adminimum ark scythe
CortezJEL's sword
Adminimum ark scythe 2.0
go 1000mph with a walking stick
TnT
Get cool minecraft banners in ONE COMMAND NO MODS!
Herobrine's Flesh