Smack someone with this! That's one out of the park.
Note: Minify the command to avoid issues :)
The sealed bow
Evil Soul
Instakill sploosh
The Unstoppable!
go 1000mph with a walking stick
TnT
Get cool minecraft banners in ONE COMMAND NO MODS!
Herobrine's Flesh
aetherresonant
aetherresonant
lunaglimmer
dantdm
orangecreep3r
cyarith