Add Ravnica Allegiance (#81)
Add Ravnica Allegiance (#81)

The date is not final since we don't know the exact release date yet. But it will be released sometime in January.
glacials/whatsinstandard,glacials/whatsinstandard,glacials/whatsinstandard,glacials/whatsinstandard,glacials/whatsinstandard,glacials/whatsinstandard,glacials/whatsinstandard,glacials/whatsinstandard