A fiery suit of armor on an armor stand
Note: Minify the command to avoid issues :)
Teleporter (not Quite)
Scuba Helmet!! Or an enchanted glass block.
Shiny (Gold) Atlantean Boots!! (may be slightly over powered)
Doom Cloud
HOTEL ONLY ONE COMMAND BLOCK
"Herobrine joined the game."
make houses!
BIG TNT BLOCK!