.

CardList.json

@@ -17,7 +17,9 @@
     "Lane": "⬜ Passive",
     "Entropy": 0,
     "Force": 0,
-    "_legal": true
+    "_legal": {
+      "playtest": true
+    }
   },
   "001": {
     "id": "001",
@@ -37,7 +39,9 @@
     "Lane": "⬜ Passive",
     "Entropy": 0,
     "Force": 0,
-    "_legal": true
+    "_legal": {
+      "playtest": true
+    }
   },
   "002": {
     "id": "002",
@@ -57,6 +61,8 @@
     "Lane": "⬜ Passive",
     "Entropy": 0,
     "Force": 0,
-    "_legal": true
+    "_legal": {
+      "playtest": true
+    }
   }
 }

Game.json

@@ -9,7 +9,8 @@
   "cardRotation": "0",
   "cards": {
     "dataUrl": "https://docs.brut.systems/judah/entropy/CardList.json",
-    "cardBack": ""
+    "cardBack": "",
+    "cardBackColor": "#ffffff"
   },
   "deckBuilding": {
     "mainFilters": [
@@ -22,29 +23,46 @@
       {
         "title": "Classic",
         "gameplay": "CL",
-        "customCategories": []
+        "deckRuleset": "CL",
+        "customCategories": ["Passive"]
+      }
+    ],
+    "deckRulesets": {
+      "CL": {
+        "general": {
+          "maxPerCard": 3
+        },
+        "categories": [
+          {
+            "category": "Passive",
+            "min": 1,
+            "max": 1,
+            "maxPerCard": 1
           }
         ]
+      }
+    }
   },
   "gameplay": {
     "CL": {
       "mulligan": {
         "info": "",
-        "startingHandSize": "4",
-        "drawNewHand": true,
-        "putSelectionAtBottom": false,
-        "drawNewSelectedCards": false
+        "startingHandSize": 4,
+        "drawNewHand": false,
+        "putSelectionAtBottom": true,
+        "drawNewSelectedCards": false,
+        "triggeredByButton": true
       },
       "newTurn": {
         "drawOnStart": false,
         "sharedTurn": false,
         "firstPlayerTokenName": "",
-        "drawPerTurn": "0"
+        "drawPerTurn": 0
       },
       "defaultNotes": "",
       "tokens": [],
       "countersStartingValues": [
-        "50"
+        50
       ],
       "hideFacedDownCards": false,
       "sections": {

main.go

@@ -94,7 +94,7 @@ func main() {
 			Lane    string          `json:"Lane"`
 			Entropy int             `json:"Entropy"`
 			Force   int             `json:"Force"`
-			Legal   bool   `json:"_legal"`
+			Legal   map[string]bool `json:"_legal"`
 		}
 	)
 
@@ -141,7 +141,9 @@ func main() {
 			Entropy: card.entropy,
 			Force:   card.force,
 			Lane:    card.lane.String(),
-			Legal:   true,
+			Legal: map[string]bool{
+				"playtest": true,
+			},
 		}
 	}