Simic Combine

The Simic Combine is Ravnica’s blue-green guild in Magic: The Gathering. Under the original Guildpact, it was responsible for preserving life on a plane almost entirely covered by city. Its members practice biomancy: they study living organisms, heal them, and alter their bodies. That work has produced creatures combining traits from different species. For the Simic, such changes can help life survive in an urban environment; for other Ravnicans, they can look like experiments with consequences no one fully controls.

Momir Vig led the guild during the original Ravnica storyline. His researchers developed cytoplasts, living grafts that could be attached to other organisms and transfer biological enhancements. Vig’s ambitions extended beyond medicine. Through Project Kraj, he sought to create an immense being assembled from the capabilities of many creatures. The resulting Experiment Kraj became central to the events of *Dissension*. Vig’s plans showed how the guild’s ability to improve bodies could also be used to impose one biomancer’s vision on the wider city.

The guild changed markedly by the time of *Return to Ravnica*. After the old Guildpact’s collapse, large openings called zonots appeared in the city, connecting its surface to the waters below. These openings gave the Simic access to aquatic habitats and helped reshape its membership and research. Merfolk, once absent from Ravnica’s surface life, became prominent in the guild. Zegana, a merfolk, served as Prime Speaker and represented a Simic Combine less closely identified with Vig’s secretive project. The guild still created hybrids, but its work also addressed the practical question of how living things could adapt to Ravnica’s changing conditions.

Those conditions remain the source of disagreement within the Simic. Its adaptationist approach accepts the need to alter existing life for immediate survival, while its more utopian ambitions look toward forms of life better suited to the future. The debate is not abstract: Simic creatures and researchers appear throughout Ravnica, where an experiment can affect neighbours who never agreed to take part in it. By *Ravnica Allegiance*, Prime Speaker Vannifar had taken over leadership from Zegana, marking another shift in the guild’s direction. Across these stories, the Simic Combine is defined by a specific tension in its Guildpact role. It was charged with protecting Ravnica’s life, yet its most notable leaders and creations repeatedly raise the question of how far protection can go before it becomes control.