Board Thread:Game Discussion/@comment-24059958-20131023173828/@comment-13248161-20131023175043

They tried that, once. I forget the name of the event but it had R5 Jazz as the T1 prize. It went 1-150 as T1. Every subsequent raid event has been 1-100. Clearly expanding the bracket didn't make Mobage more money or they wouldn't have reverted to 1-100 and stayed there.