User blog comment:Linathan/Squad Spotlight & Guide: Trial 007/@comment-5204448-20150901010107/@comment-26140304-20150901020207

Melchio serves as a good replacement. Two mitigators isn't required, but it's a lot easier to have two to perform stacked mitigation a lot easier.

Once Trial 007 comes out, I'll be able to test more squads out. For now, this Squad Spotlight is only limited to two squads.