diff --git a/jaken/rpc.py b/jaken/rpc.py
index 68dbea2..2bae52c 100644
--- a/jaken/rpc.py
+++ b/jaken/rpc.py
@@ -12,8 +12,8 @@ class SoulServer:
         await self.soul_client.connect()
 
     @router.expose
-    async def search_cards(self, search_term):
-        r = await self.soul_client.call("cardindex", {"search": search_term})
+    async def search_cards(self, search_term, tier=None):
+        r = await self.soul_client.call("cardindex", {"search": search_term, "category": tier})
         cards = [Card(doc).to_dict() for doc in r['data']['docs']]
 
         return cards