The rate when the MG first came out was in the mid-60s .
A difference between what used to be an average of + 1 in older sets going down to - 1.21 roughly correlates to a 6 % higher success rate .
The rate when the MG first came out was in the mid-60s , and a difference between what used to be an average of + 1 in older sets going down to - 1.21 roughly correlates to a 6 % higher success rate .