set 250 as minimum value for temp health boost

forge-gui-mobile/src/forge/adventure/scene/InnScene.java

@@ -77,6 +77,8 @@ public class InnScene extends UIScene {
     public void enter() {
         super.enter();
         int tempHealthCost = Current.player().falseLifeCost();
+        if (tempHealthCost < 0) // if computed negative set 250 as minimum
+            tempHealthCost = 250;
         boolean purchaseable = Current.player().getMaxLife() == Current.player().getLife() &&
                 tempHealthCost <= Current.player().getGold();
 

forge-gui-mobile/src/forge/assets/Assets.java

@@ -382,6 +382,7 @@ public class Assets implements Disposable {
             if (memoryPerFile.containsKey(fileName)) {
                 memoryPerFile.remove(fileName);
             }
+            cardArtCache().clear();
         }
 
         public float getMemoryInMegabytes() {