Who has good pyro application?

I'm running a lava team with Navia and trying to figure out how to get constant and conistent pyro reactions, I've been using characters like Dehya (who I love) and Xiangling, but it feels like summons trigger too infrequently for me to rely on them to get multiple reactions in a turn. I was wondering if there were any characters with even more frequent pyro app that I've been missing