As a general rule, you should stay away from techniques which seem fancy in Brazilian Jiu-Jitsu – and, rather, stick to those which actually work.
But, every now and then, the fancy and effective techniques meet… And produce a technique which brings both style points and taps.
For example, you can go for a back take from standing and it can be incredibly high percentage.
Here’s one such technique. The legendary Garry Tonon demonstrates on the video below: