User blog comment:AzureAurelia/Improvements/@comment-26331700-20160501064903

If you're going with

Vargas leader, Korzan, Avant, Bestie, Ultor/Gildorf

or

Selena leader, Karl, Haile, Tazer and Lune

for Arena, those are winning methods with the 150% attack up and 60% hp up with bc regen.