Grant Wasil developed a new unit card, "Follower of the Way," for the SWU-Karabast/forceteki repository, introducing a +1/+1 upgrade bonus to enhance gameplay dynamics. He defined the card within the system using JavaScript and TypeScript, ensuring seamless integration with existing mechanics. To validate the upgrade behavior and card interactions, Grant implemented comprehensive unit tests, focusing on upgrade paths and interaction scenarios. This approach strengthened test coverage and improved overall gameplay reliability. By concentrating on both feature delivery and quality assurance through unit testing, Grant demonstrated depth in game development and a methodical approach to maintaining code quality and system robustness.