diff --git a/lexicons/ai.syui.card.admin.json b/lexicons/ai.syui.card.admin.json
index 954e06b..19aefa8 100644
--- a/lexicons/ai.syui.card.admin.json
+++ b/lexicons/ai.syui.card.admin.json
@@ -13,7 +13,7 @@
         "properties": {
           "gacha": {
             "type": "object",
-            "required": ["pickup", "rate"],
+            "required": ["pickup", "rate", "pool"],
             "properties": {
               "pickup": { "type": "integer", "description": "Pickup card ID" },
               "rate": {
@@ -23,6 +23,11 @@
                   "pickup": { "type": "integer", "description": "1/n for pickup rate (100 = 1%)" },
                   "rare": { "type": "integer", "description": "1/n for rare:1 rate (10 = 10%), rare:2 = 1/(n*10), rare:3 = 1/(n*100)" }
                 }
+              },
+              "pool": {
+                "type": "array",
+                "description": "Card IDs available in gacha pool",
+                "items": { "type": "integer" }
               }
             }
           },
diff --git a/public/content/did:plc:6qyecktefllvenje24fcxnie/ai.syui.card.admin/self.json b/public/content/did:plc:6qyecktefllvenje24fcxnie/ai.syui.card.admin/self.json
index 07ce76c..8a93b78 100644
--- a/public/content/did:plc:6qyecktefllvenje24fcxnie/ai.syui.card.admin/self.json
+++ b/public/content/did:plc:6qyecktefllvenje24fcxnie/ai.syui.card.admin/self.json
@@ -5,10 +5,8 @@
     "$type": "ai.syui.card.admin",
     "gacha": {
       "pickup": 13,
-      "rate": {
-        "rare": 10,
-        "pickup": 100
-      }
+      "rate": { "rare": 10, "pickup": 100 },
+      "pool": [0, 1, 2, 3, 13]
     },
     "card": [
       { "id": 0, "character": 0, "name": { "ja": "アイ", "en": "ai" }, "text": { "ja": "アイの基礎ステータスは、このカードのcpを基準にアップする。", "en": "This card's CP is referenced for the character's base status" }, "cp": "status", "effect": "status" },