if magic trick works on gambling, a lot of magicians would have become a multi-millionaire because of the number of persons that will come to patronize them or better still, they can just use it to stake games and casinos will eventually run out of business. magicians, people doing voodoo, or using whatever diabolical powers you have there have limitation and when it comes to a thing as sports and gambling, it's almost as though their power automatically disappears. this is just like expecting India and some African countries to do well in sports just because they are religious set of people. gambling is a game of luck and most of these supernatural powers operate based on laws and can't influence the outcome of luck-based games.

most of these magical tricks are actually fake and well-practiced and presented in a manner that makes it look so real. if they are fake, how then can they work in a real-life gambling scenario where analytical iteration can't even work?  some smart guys that can observe pattern and easily use their analogical skill to predict the outcome of certain games than most magician as long as it relates to gambling