The Gas Mask item card in Backrooms TCG™ offers a vital defensive advantage to players navigating the treacherous landscapes of the Backrooms. When equipped, this specialized mask permits passage through areas riddled with toxic or unbreathable air, nullifying any detrimental sanity point cost associated with poisonous room cards. Visually, the Gas Mask presents as a practical and robust piece of survival gear, a single unit that covers just the mouth and nose, designed for functionality and efficiency in the often inhospitable environment of the Backrooms.