Sealed Monstas

From BoardGameGeek:

Long sealed away realms have suddenly begun to open, introducing bygone, forgotten Monstas into the world. You are a monsta-ology academic, and it's your time to make hypotheses on these newly discovered Monstas, test those hypotheses and have your findings written into the textbooks! Sealed Monstas features unique deck construction (not deck building) to naturally capture this feeling of forming a hypothesis and testing it! —description from the publisher