User blog comment:Mich, Michele & Kuhla/Future Units Preview/@comment-26698997-20151230113723/@comment-26336535-20151230182517

The only thing they have in common is mitigation and BB fill when attacked. You might as well say Raphil is a replacement for Narza, and Shera is a replacement for Narza...

Basically you're saying every 7* mitigator that offers BB momentum is a Narza-replacement ._.