AI Slide Deck Tools?

I have been using the beta Google Slides tooling to improve my slide decks for the past few months. Apparently, the feature I was using was a "preview" and has been pulled from Google slides. The replacement Gemini feature is not nearly as good. So, I'm looking for a replacement. Does anyone here use an AI tool for improving their slides? Specifically, I'm looking for something that will do good visual design. I am notoriously bad a visual design a