Increases speed, and lets you breath and see underwater.
Note: Minify the command to avoid issues :)
Fiery Armor Stand
Doom Cloud
Shiny (Gold) Atlantean Boots!! (may be slightly over powered)
Scuba Helmet!! Or an enchanted glass block.
God Armor Kit
BECOME IRON MAN WITH ONE COMMAND! NO MODS!
DIRT CHEST
OP GOD Armor Set
c0re_creeper
c0re_creeper
ifocux
orangecreep3r
cyarith
kaan8879