The ones ninjas and Batman used!
Note: Minify the command to avoid issues :)
Spidey sense, Bane strength and space mechanics in one command block!
Batman Geared Leggings
Sword for Moderators in servers
My head...
go 1000mph with a walking stick
TnT
Get cool minecraft banners in ONE COMMAND NO MODS!
Herobrine's Flesh