This is an easy Twisting The Aces routine with a kicker ending that can be customized to promote yourself, a customer you are performing for, or just about anything you can think of.
The basic routine involves the four Aces which are displayed face up. One at a time the Aces turn face down and face up until the very end where a surprise ending comes into play. The backs of the Aces have changed color and reveal a message that you customized for the occasion.
Oh… and the best part is that at the end all the Aces are examinable and can be given out as souvenirs!