I particularly like the kind where the MC sends out the girl so she can see how much better he is. This works best with netori style game where you have the stolen girl sleep with her husband/boyfriend to prove a point.
Gotta be honest, for this to be a good survey you'd need a ton more options, and even then you'd still have to add more.
Best NTR is where you actually get to see the LI fall for the stealer, and understand why. Though I guess if you're trying to troll people, a sudden rugpull might be more effective, and the more believable, the better.