Plots, Schemes, Tricks, and Dreams--I want 'em!

[VirgilCaine]

What are some nasty plots and tricks for high Int bad guys, e.g. Yuan-Ti?

 

[Hand of Evil]

Need more information, type of campaign, characters, campaign area? What does he want, what drives him, who does he worship, his level?

 

[VirgilCaine]

I was hoping for general tricksy things, not for a specific situation. The Yuan-Ti was just an example of the level--geniuses--of thing I'm looking for. Sorry.