diff --git a/game/game.js b/game/game.js
index 12f6e0eba..43f0c18b8 100644
--- a/game/game.js
+++ b/game/game.js
@@ -24746,9 +24746,32 @@
 				getExpansions:function(tag){
 					return this.getCards('x',(card)=>card.hasGaintag(tag));
 				},
+				countExpansions:function(tag){
+					return this.getExpansions(tag).length;
+				},
+				hasExpansions:function(tag){
+					return this.countExpansions(tag)>0;
+				},
+				setStorage:function(name,value){
+					return this.storage[name]=value;
+				},
 				getStorage:function(name){
 					return this.storage[name]||[];
 				},
+				hasStorage:function(name){
+					return name in this.storage;
+				},
+				initStorage:function(name,value){
+					return this.hasStorage(name)?this.getStorage(name):this.setStorage(name,value);
+				},
+				updateStorage:function(name,operation){
+					return this.setStorage(name,operation(this.getStorage(name)));
+				},
+				updateStorageAsync:function(name,operation){
+					return Promise.resolve(this.getStorage(name))
+					.then(value=>operation(value))
+					.then(value=>this.setStorage(name,value))
+				},
 				markSkill:function(name,info,card){
 					if(info===true){
 						this.syncStorage(name);