I’d consider it, but if they’re serious about it, I’m sure they wouldn’t love the way I look at them when they explain how well their spell/saint’s toe is working.
My wife was a Christian when we started dating, but her opinions on LGBTQ+ issues made her start questioning her faith which led her to leave the faith altogether by the time we were married.
My wife is religious. I’m sure what to say about it. It’s a non issue in our lives. She thinks what she wants. I think what I want. Kids were a little tricky, but we worked through it. They got introduced to the idea of religion when they were younger and I made no bones about not believing and we agreed they could decide for themselves. AFAIK they are both atheist but who knows when they experience significant loss - a lot of people turn to religion then. The older kids from her first marriage are all believers I think but also pretty casual I think. I think my oldest married an atheist, but the truth is I just don’t have reason to talk about religion or lack thereof with anyone.
ETA: we were married by a pagan. I also married my daughter dressed as Darth Vader after dueling her husband for her hand. So it’s just not a big thing.