CLEARLY you can predict which card your spectator will choose!
Write the name of a card on a blank playing card. Place the prediction into a glass. Let your spectator choose a card from a regular card deck, and place her card next to yours in the glass. You can see both cards the whole time. When she removes both cards to take a peek- she discovers that both cards match! Baffling! Lots of routines and possibilities with this one! No special skill is needed to perform this trick!
You will be doing this one right out of the box, and best of all, you can repeat it immediately!