Mega Diancie's attack is ABCDEFGHIJKL, If you change that to numbers, it is 1,2,3,4,5,6,7,8,9,10,11,12. If you find the average of those numbers you get 6.5. 6.5 is the square root of 42.25. 42.25 is half of 84.5. 84.5 rounds up to 85. The Japanese EX Team Rocket Returns set had 85 cards in it...