The Guilds of Ravnica have held dominion over the Ravnican Plane for thousands of years, each with their own beliefs, motivations, and secrets. Ultra PRO has brought the Magic of our Alcove deck box to the Guilds of Ravnica.

The Simic Combine is Ravnica's steward of nature and the wild; its mission is to preserve the natural world even as Ravnica's cities continue to grow.