Just accidently tapping your friend will kill them. Enjoy!
Note: Minify the command to avoid issues :)
One Hit Kill Stick
Glasses
Kill sign
Knife
go 1000mph with a walking stick
TnT
Get cool minecraft banners in ONE COMMAND NO MODS!
Herobrine's Flesh
mysticspyralman
mysticspyralman
lunaglimmer
dantdm
orangecreep3r
cyarith