7* Rankup Help!

Riptide

Just finished exploring 9.1! Looking for some thoughts on my 7* Roster. I have 2 R1-2 gems, and can R3 one champ.

Here are my 6* R5’s, 2 7* R3’s, 7* R2, and the rest of my roster.

captain_rogers

R3 that ham

Mr.0-8-4

I would've ranked up my Black Cat or Guardian since they are top tier champs.