This is a combat system for those with magic deck of cards. It allows PCs to utilize their card playing skills to resolve RPG combat.
If your character has access to such a deck, you will use these rules.
What if some crazy wizard created an artifact that empowered rodents that touched it with one random supernatural power? Preferly right out of the pages of your favorite four-color. (But only one power!) This item does not convey any sort of intelligence boost.