use repeat-always active command block.
Note: Minify the command to avoid issues :)
boss mob random
beautiful fireworks
speed invisibiltiy jump potion
nuclear creeper
HOTEL ONLY ONE COMMAND BLOCK
"Herobrine joined the game."
make houses!
BIG TNT BLOCK!
blockbite101
blockbite101
emiliusamigos10
beargryllsgamer
callumgraham
lolgamer1200