Trick 1:
This is a gag just for fun. Ask a spectator to think of a card.Pull out this gag card from your coat pocket face down.Ask if he would like to change his mind in any way because you are holding his card which he has thought of.When he names his card , turn over the gag card and say "here it is", and point to his card!
Trick 2:
You can also use this as a prediction card for similar Comedy Tricks