Give myself every perk and rank on Minetime. I would make myself a cool prefix, make an awesome house dedicated to me in every single server, make the most best faction ever!
I would make my own [Wally] prefix and fly around the spawn adding things. Then, I would go on Zombie Infection and prestige higher than anyone has ever gotten and kill everyone
I'd make an awesome prefix only for me, give my rank the permission to fly on every server, and creative gamemode on every server. Then I'd do some awesome drop parties.
I would, perm mute or ban all rude and immature players, and some noobs. I'd give myself every perk on Minetime and create a awesome prefix for myself, give myself OP stuff and make the biggest and best faction ever! Btw, there has already been a thread about this.
Upgrade my rank, make myself AN AWESOME prefix {MikuLord} , ban some people i hate, give myself 50 billion dollars on prison.
So? if I had Op for a day thats what I'd do. Perm ban all hackers. IDC If they are allowed to hack I would ban them forever.