It’s probably Sumle then, since I see more potential in that one - with mana potions can be much more devastating than Kelile, and also has better attack, meaning red tiles will hit harder.
I don’t have Wilbur sadly nor Falcon, but I do have cBoldtusk ascended fully, so I guess I could keep Sumle alive even for a bit more.
I’d do Kellie first them Sumle. Azlar is a bit slow and Rueben is a hero you need other good reds with to work well. Start with the 4’s and save those rings for a Legendary that will serve you better. Cheers!
I have had Kellie longer than any other 4* red, she is the bread and butter of snipers.
Have Sumle also, my issue with him, is he doesn’t hit that hard and he misses.
You get those teams that your fighting against and they have 2 healers. Sumle won’t have the damage output to take them out.
I don’t know what your bench is but damage dealer snipers are a good thing to have.