John DeFoe Mod!

For those who do not know of the John DeFoe series, by Yahtzee Croshaw, go visit this link:
en.wikipedia.org/wiki/Chzo_Mythos

Well then,
I thought that, since it seems pretty adaptable for Minecraft, a John DeFoe mod would be a good idea!
I am completely talentless and would appreciate if all you talented folk out there would assist me in my escapade! I will enclose some photos to get you a primary idea of the art.
The general idea:
A mansion (DeFoe mansion) would randomly spawn in the environment, like a desert temple, except no traps. When you enter, the doors will close behind you and you would be trapped in the mansion until you kill John DeFoe, like in 5 Days a Stranger. I hope this will be acceptable in the Minecraft community.
The above mod download contains a description of how to aid me in my escapade.
You might want to play 5 Days a Stranger to get a basic grasp of the plot and such, so I'll add the download link:
www.acid-play.com/download/5-days-a-stranger

If you have any suggestions, tell me in the comments.