diff --git a/src/main/java/it/polimi/ingsw/gc14/Model/Cards/TribeCards/Events/CavePaintings.java b/src/main/java/it/polimi/ingsw/gc14/Model/Cards/TribeCards/Events/CavePaintings.java
index db70423..c0dc691 100644
--- a/src/main/java/it/polimi/ingsw/gc14/Model/Cards/TribeCards/Events/CavePaintings.java
+++ b/src/main/java/it/polimi/ingsw/gc14/Model/Cards/TribeCards/Events/CavePaintings.java
@@ -40,7 +40,7 @@ public class CavePaintings extends EventCard {
                 player.removePrestige(NPrestigeRem);
             }
             else{
-                player.addPrestige(NPrestigeMul * NUpper);
+                player.addPrestige(NPrestigeMul * NArtists);
             }
         }
     }
diff --git a/src/main/java/it/polimi/ingsw/gc14/Model/Cards/TribeCards/Events/Sustenance.java b/src/main/java/it/polimi/ingsw/gc14/Model/Cards/TribeCards/Events/Sustenance.java
index 9ac693c..be962bc 100644
--- a/src/main/java/it/polimi/ingsw/gc14/Model/Cards/TribeCards/Events/Sustenance.java
+++ b/src/main/java/it/polimi/ingsw/gc14/Model/Cards/TribeCards/Events/Sustenance.java
@@ -21,6 +21,7 @@ public class Sustenance extends EventCard {
         this.PrestigeDebt = PrestigeDebt;
     }
 
+    // Sustenence va eseguito per ultimo tra gli eventi
     @Override
     public void activateEvent (ArrayList <Player> playerList) throws NullPointerException {
         for(Player player : playerList){
diff --git a/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building0Test.java b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building0Test.java
new file mode 100644
index 0000000..6707367
--- /dev/null
+++ b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building0Test.java
@@ -0,0 +1,58 @@
+package it.polimi.ingsw.gc14.Model.Cards.Building.Effects;
+
+import it.polimi.ingsw.gc14.Model.Cards.TribeCards.Characters.*;
+import it.polimi.ingsw.gc14.Model.Player;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class Building0Test {
+
+    @Test
+    @DisplayName("After")
+    void applyEffect() {
+        Building0 b0 = new Building0(1, 0);
+        int Era = 1;
+        Player p = new Player("test");
+        b0.applyEffect(p);
+        assertEquals(0, p.getFoodValue());
+        Artist a = new Artist(Era);
+        Builder b = new Builder(Era, 0, 0);
+        Gatherers g = new Gatherers(Era);
+        Hunter h = new Hunter(Era, true);
+        Inventor i = new Inventor(Era, 1);
+        Shaman s = new Shaman(Era,1);
+        p.artists.add(a);
+        p.builders.add(b);
+        p.gatherers.add(g);
+        p.hunters.add(h);
+        p.inventors.add(i);
+        p.shamans.add(s);
+        b0.applyEffect(p);
+        assertEquals(5, p.getFoodValue());
+    }
+
+    @Test
+    @DisplayName("Before")
+    void applyEffect2() {
+        int Era = 1;
+        Player p = new Player("test");
+        assertEquals(0, p.getFoodValue());
+        Artist a = new Artist(Era);
+        Builder b = new Builder(Era, 0, 0);
+        Gatherers g = new Gatherers(Era);
+        Hunter h = new Hunter(Era, true);
+        Inventor i = new Inventor(Era, 1);
+        Shaman s = new Shaman(Era,1);
+        p.artists.add(a);
+        p.builders.add(b);
+        p.gatherers.add(g);
+        p.hunters.add(h);
+        p.inventors.add(i);
+        p.shamans.add(s);
+        Building0 b0 = new Building0(1, 0);
+        b0.applyEffect(p);
+        assertEquals(0, p.getFoodValue());
+    }
+}
\ No newline at end of file