color identity in pull sheet

app/services/external_api/scryfall/scryfall_service.py

@@ -0,0 +1,11 @@
+from app.services.external_api.base_external_service import BaseExternalService
+
+class ScryfallService(BaseExternalService):
+    def __init__(self):
+        super().__init__(base_url="https://api.scryfall.com/")
+
+    async def get_color_identity(self, scryfall_id: str) -> str:
+        """Get the color identity of a card from Scryfall API"""
+        endpoint = f"cards/{scryfall_id}"
+        results = await self._make_request("GET", endpoint)
+        return results['color_identity']