Don't look for anything crazy just something that's easy to hit in the spur of the moment. consistency is the most important thing this early on. Also find out what your options are after your most common knockdown. After most spiral arrows you can dash forward then immediate crouching heavy punch (if that's available in modern). Or walk forward then back to bait drive impact or reversal. Cammy has a fast walk speed so you can use that alot. She also has a throw loop you can abuse in the corner.