FWIW, Frigg is really great and can be a menace. MN is a must-kill every time, no matter what. Ariel is your best healer from the looks of it. If you don’t have a hero who revives the dead, MN is your choice. Never look back.
My thoughts is you have solid healers. Frigg is an all around amazing hero. A pain on defense, great for titans and a green stack dream with almur or Evelyn. I’d do Frigg for sure, she’s useful everywhere.
Frigg is the best green in the game right now.
As for the best reviver i dunno…MN sure has the best chance to revive but alby mana buff makes up for it
P.s. MN is tanky also without ascension.
I’d do frigg first and Mn after…u still can use her 3/70 for the time being