How would you troll a noob?

[chipscracks]

How would you troll a noob in any game? Plz mention the game ur talking about or it might be a little hard to make sense xD. My technique (for minecraft): Lead them to an easy parkour, but in the end you have to jump down a hole. I would put some blue blocks (lapis/blue wool) at the bottom so from very high places it looks like water and they jump in and die from fall damage xD. Let's see what you guys would do