I just returned from Las Vegas where I played a bit of 3 Card Poker. At the Mirage and MGM Park, the 6 Card side bet is based on the player’s 3 cards and 3 additional cards, but NOT the dealer’s cards. I cannot figure out why. Why not use the dealer’s 3 cards, as is done elsewhere? What is the advantage (I assume there is one) to the casino? Any ideas?