So I prefer the old Yugioh format because it is something more strategic, and you depends a lot on his deck and its drawn, Yugioh The new format was everything simpler and much more OP, the new format is very Easy put monsters with a high attack on the field, it is very easy to put 5 monsters on the field, the former was more complicated and fun, I always played yugioh to the Gameboy, the best yugioh it has is the World Tournament 2004 was well fun and Strategic I played the more 5ds also did not like from new format tava but catching up leading to Dueling well with the old letters, but now with these XYZ not of more to go toe to toe using the old cards. I'm not saying This is bad, but it is a new yugioh format that I did not like because it is easy.Well, I hope that the WMD YgoPro can put a rule that only ask for the Gx be used the letters backward, as if that Ban the latest, Do you know where is the rules? there could put (All Old and new) would be easier and would not give so much work, so everyone would play the way you want