Through completing 9.1 and Banquet event milestones, I'll finally have enough T4A to take two 7*'s to rank 3, making me Valiant. However, since I'm probably not going to have enough resources to take any more 7*'s to rank 3 anytime soon, I've been deliberating on which two champions to take up. Below are the champions out of my roster I've narrowed it down to:

I personally love everything about Professor X, Vox is a very cool champion, and Kushala and Chavez are both very good. I put Prowler, Adam Warlock, Black Panther CW, and Isophyne in a separate tier because I know that they're good, but I'm not sure HOW good they are or whether or not they're worth investing in.
I should also clarify that none of these champions are awakened