"It's hard to guess the details this early into the process, but..."

He lapses into thought for a the moment.

"I think charcoal, chalk, candles, and matches are what we'll need the most. And then salt, silver, some common stones like quartz and amethyst, and some common plants like oak and mint."

Yes, he thinks that'll do. Magic varies quite a bit from universe to universe, but there are still some common staples.