its totally pointless but if you want, you can get air!.... I guess.
Note: Minify the command to avoid issues :)
GIVE YOURSELF AIR!
MERCURY POTION
Multi-Use Swimming Flippers
Molten Metal Potion
go 1000mph with a walking stick
TnT
Get cool minecraft banners in ONE COMMAND NO MODS!
Herobrine's Flesh
catcraftycommands
catcraftycommands
lunaglimmer
dantdm
orangecreep3r
cyarith