Mastery pass ICR have a 1/20 chance of upgrading to rares ICR, so people at level 90 were also likely to receive a rare ICR. So even granting us only uncommons ICRs would be bad tbh.
Mastery pass ICR have a 1/20 chance of upgrading to rares ICR, so people at level 90 were also likely to receive a rare ICR. So even granting us only uncommons ICRs would be bad tbh.