Wait I just remembered the lamprey itself has X-card built in. It's not as comprehensive as the core game might be. But then again, there's cases where adding the lamprey might make the core game safer.
That’s a sentence I never expected to write.
Don’t be too surprised if it it has real-world examples! https://www.npr.org/sections/goatsandsoda/2016/08/12/489619045/could-worms-in-your-gut-cure-your-allergies