These are completely different sets of cards which look similar because it’s all black and red and 6’s and 7’s etc. We don’t necessarily notice it at first because we are instructed to look for one card at a time. Also we don’t get to see both sets at once. Neat and clever!
DigiDame 
how did Oscar do that???????????????
These are completely different sets of cards which look similar because it’s all black and red and 6’s and 7’s etc. We don’t necessarily notice it at first because we are instructed to look for one card at a time. Also we don’t get to see both sets at once. Neat and clever!
Oscar gives me the willies! How does he do it?