Master of Magic

In the Magic screen, hold down the ALT key and type

POWER (You are able to cast every spell that is learnable, and you get more mana. All of the wizards get this also)

REVEAL (You will get to see everything on the map. And so will all the wizards)

Type destin to get a message asking you to give MP, your saved game and a bug report. (you must exit the Magic screen, and re-enter it for this to show up.)