Smack someone with this! That's one out of the park.
Note: Minify the command to avoid issues :)
Baseball!
Instakill sploosh
Fire God's Chest
The sealed bow
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