Then you need to decide what style of magic you enjoy preforming the most and work out a memorable routine. It is not something that anyone can truly answer because for it to be really memorable it has to be something that means something to you.
You will likely get a list of answers like 'Dresscode' or 'Countereit' or whatever the hot tricks of the day are but those are things that someone else has made memorable. What are you doing that his getting you hired? Figure out what is getting the best reaction from your audiences and deconstruct it and figure out how to take the essence of it in a direction that is all your own.