A very simple code that sends each message and in the console to inform you what it did, can do the following:

- Rename all roles
- Rename all members
- Rename all channels 
- Rename server
- Create new channel
- Send as many messages as you want on each channel 
- Send as many messages as you want in DM to each person on the server 
- Change the banner on the server 
- Change the server icon