diff --git a/projects/mtg/include/GameObserver.h b/projects/mtg/include/GameObserver.h
index d41a8b169..4a93ded69 100644
--- a/projects/mtg/include/GameObserver.h
+++ b/projects/mtg/include/GameObserver.h
@@ -27,7 +27,6 @@ class GameObserver{
   MTGCardInstance * cardWaitingForTargets;
   queue<WEvent *> eventsQueue;
 
-  int nbPlayers;
   int untap(MTGCardInstance * card);
   bool WaitForExtraPayment(MTGCardInstance* card);
   void initialize();
@@ -63,14 +62,14 @@ class GameObserver{
   void nextGamePhase();
   void cleanupPhase();
   void nextPlayer();
-  void setPlayers(vector<Player *> _players, int _nbplayers);
+  void setPlayers(vector<Player *> _players);
   Player * currentPlayer;
   Player * currentActionPlayer;
   Player * isInterrupting;
   Player * opponent();
   Player * currentlyActing();
   GameObserver();
-  GameObserver(vector<Player *> _players, int _nbplayers);
+  GameObserver(vector<Player *> _players);
   ~GameObserver();
   void gameStateBasedEffects();
   void enchantmentStatus();
@@ -87,7 +86,7 @@ class GameObserver{
   void Update(float dt);
   void Render();
   void ButtonPressed(PlayGuiObject*);
-  int getPlayersNumber() {return nbPlayers;};
+  int getPlayersNumber() {return players.size();};
 
   int receiveEvent(WEvent * event);
   bool connectRule;
diff --git a/projects/mtg/src/AIPlayer.cpp b/projects/mtg/src/AIPlayer.cpp
index 94df22397..e5afff1bf 100644
--- a/projects/mtg/src/AIPlayer.cpp
+++ b/projects/mtg/src/AIPlayer.cpp
@@ -269,7 +269,6 @@ AIPlayer * AIPlayerFactory::createAIPlayer(GameObserver *observer, MTGAllCards *
     // AIPlayerBaka will delete MTGDeck when it's time
     AIPlayerBaka * baka = NEW AIPlayerBaka(observer, deckFile, deckFileSmall, avatarFilename, NEW MTGDeck(deckFile, collection,0, deckSetting));
     baka->deckId = deckid;
-    baka->setObserver(observer);
     return baka;
 }
 
diff --git a/projects/mtg/src/GameObserver.cpp b/projects/mtg/src/GameObserver.cpp
index 7cb096ddb..c13a0ae38 100644
--- a/projects/mtg/src/GameObserver.cpp
+++ b/projects/mtg/src/GameObserver.cpp
@@ -22,7 +22,6 @@ void GameObserver::initialize()
     currentActionPlayer = NULL;
     isInterrupting = NULL;
     currentPlayerId = 0;
-    nbPlayers = 0;
     currentGamePhase = -1;
     targetChooser = NULL;
     cardWaitingForTargets = NULL;
@@ -35,20 +34,19 @@ void GameObserver::initialize()
     connectRule = false;
 }
 
-void GameObserver::setPlayers(vector<Player *> _players, int _nbplayers)
+void GameObserver::setPlayers(vector<Player *> _players)
 {
     for (size_t i = 0; i < _players.size(); i++)
     {
         players.push_back(_players[i]);
         players[i]->setObserver(this);
     }
-    nbPlayers = _nbplayers;
 }
 
-GameObserver::GameObserver(vector<Player *> _players, int _nb_players)
+GameObserver::GameObserver(vector<Player *> _players)
 {
     initialize();
-    setPlayers(_players, _nb_players);
+    setPlayers(_players);
 }
 
 int GameObserver::getCurrentGamePhase()
@@ -68,14 +66,14 @@ const char* GameObserver::getNextGamePhaseName()
 
 Player * GameObserver::opponent()
 {
-    int index = (currentPlayerId + 1) % nbPlayers;
+    int index = (currentPlayerId + 1) % players.size();
     return players[index];
 }
 
 void GameObserver::nextPlayer()
 {
     turn++;
-    currentPlayerId = (currentPlayerId + 1) % nbPlayers;
+    currentPlayerId = (currentPlayerId + 1) % players.size();
     currentPlayer = players[currentPlayerId];
     currentActionPlayer = currentPlayer;
     combatStep = BLOCKERS;
@@ -337,7 +335,7 @@ GameObserver::~GameObserver()
     SAFE_DELETE(mLayers);
     SAFE_DELETE(phaseRing);
     SAFE_DELETE(replacementEffects);
-    for (int i = 0; i < nbPlayers; ++i)
+    for (int i = 0; i < players.size(); ++i)
     {
         SAFE_DELETE(players[i]);
     }
@@ -786,7 +784,7 @@ void GameObserver::Render()
     if (mExtraPayment) 
     	mExtraPayment->Render();
     
-    for (int i = 0; i < nbPlayers; ++i)
+    for (int i = 0; i < players.size(); ++i)
     {
         players[i]->Render();
     }
diff --git a/projects/mtg/src/GameStateDuel.cpp b/projects/mtg/src/GameStateDuel.cpp
index 1c0a8ef64..689c79d25 100644
--- a/projects/mtg/src/GameStateDuel.cpp
+++ b/projects/mtg/src/GameStateDuel.cpp
@@ -264,7 +264,7 @@ void GameStateDuel::loadTestSuitePlayers()
     {
         mPlayers.push_back(new TestSuiteAI(game, testSuite, i));
     }
-    game->setPlayers(mPlayers, 2);
+    game->setPlayers(mPlayers);
     mParent->gameType = testSuite->gameType;
 
     game->startGame(mParent->rules);
@@ -446,20 +446,20 @@ void GameStateDuel::Update(float dt)
     case DUEL_STATE_PLAY:
         if (!game)
         {
-            game = new GameObserver(mPlayers, 2);
+            game = new GameObserver(mPlayers);
             game->startGame(mParent->rules);
             if (mParent->gameType == GAME_TYPE_MOMIR)
             {
                 game->addObserver(NEW MTGMomirRule(game, -1, MTGCollection()));
             }
-			if (mParent->gameType == GAME_TYPE_STONEHEWER)
-			{
-                                game->addObserver(NEW MTGStoneHewerRule(game, -1,MTGCollection()));
-			}
-			if (mParent->gameType == GAME_TYPE_HERMIT)
-			{
-                                game->addObserver(NEW MTGHermitRule(game, -1));
-			}
+            if (mParent->gameType == GAME_TYPE_STONEHEWER)
+            {
+                    game->addObserver(NEW MTGStoneHewerRule(game, -1,MTGCollection()));
+            }
+            if (mParent->gameType == GAME_TYPE_HERMIT)
+            {
+                    game->addObserver(NEW MTGHermitRule(game, -1));
+            }
 
             //start of in game music code
             musictrack = "";
diff --git a/projects/mtg/src/Player.cpp b/projects/mtg/src/Player.cpp
index 018f2fc1e..05c34327c 100644
--- a/projects/mtg/src/Player.cpp
+++ b/projects/mtg/src/Player.cpp
@@ -30,6 +30,7 @@ Player::Player(GameObserver *observer, string file, string fileSmall, MTGDeck *
     if (deck != NULL)
     {
         game = NEW MTGPlayerCards(deck);
+        // This automatically sets the observer pointer on all the deck cards
         game->setOwner(this);
         deckName = deck->meta_name;
     }
@@ -106,7 +107,6 @@ HumanPlayer::HumanPlayer(GameObserver *observer, string file, string fileSmall,
 {
     loadAvatar("avatar.jpg");
     playMode = MODE_HUMAN;
-    setObserver(observer);
 }
 
 ManaPool * Player::getManaPool()
diff --git a/projects/mtg/src/Rules.cpp b/projects/mtg/src/Rules.cpp
index 0c56b4752..d82f0632b 100644
--- a/projects/mtg/src/Rules.cpp
+++ b/projects/mtg/src/Rules.cpp
@@ -342,8 +342,8 @@ void Rules::initPlayers(GameObserver *g)
     for (int i = 0; i < 2; i++)
     {
         Player * p = initPlayer(g, i);
-        if(p)
-        g->players.push_back(p);
+        if(p && g->getPlayersNumber() < 2)
+            g->players.push_back(p);
         MTGDeck * deck = buildDeck(i);
         if (deck)
         {
diff --git a/projects/mtg/src/StoryFlow.cpp b/projects/mtg/src/StoryFlow.cpp
index ea1c99eb9..b5498a888 100644
--- a/projects/mtg/src/StoryFlow.cpp
+++ b/projects/mtg/src/StoryFlow.cpp
@@ -321,7 +321,7 @@ void StoryDuel::init()
     rules = NEW Rules(bg);
     rules->load(rulesFile);
 
-    game = new GameObserver(players, 2);
+    game = new GameObserver(players);
 
     rules->gamemode = GAME_TYPE_STORY;
     game->startGame(rules);
diff --git a/projects/mtg/src/TestSuiteAI.cpp b/projects/mtg/src/TestSuiteAI.cpp
index 80ca481b8..f4264fd7f 100644
--- a/projects/mtg/src/TestSuiteAI.cpp
+++ b/projects/mtg/src/TestSuiteAI.cpp
@@ -255,10 +255,6 @@ void TestSuiteActions::add(string s)
 
 TestSuiteState::TestSuiteState()
 {
-    for(size_t p = 0;p < players.size();++p)
-    {
-        players[p] = 0;
-    }
     players.clear();
 }
 
@@ -294,33 +290,30 @@ MTGPlayerCards * TestSuite::buildDeck(Player* player, int playerId)
     int list[100];
     int nbcards = 0;
     MTGPlayerCards * deck = NULL;
-    if(initState.players.size())
-    {
-        if(initState.players.size() > size_t(playerId))
-        {
-            MTGGameZone * loadedPlayerZones[] = { initState.players[playerId]->game->graveyard,
-                initState.players[playerId]->game->library,
-                initState.players[playerId]->game->hand,
-                initState.players[playerId]->game->inPlay };
 
-            for (int j = 0; j < 4; j++)
+    if(initState.players.size() > (size_t)playerId)
+    {
+        MTGGameZone * loadedPlayerZones[] = { initState.players[playerId]->game->graveyard,
+            initState.players[playerId]->game->library,
+            initState.players[playerId]->game->hand,
+            initState.players[playerId]->game->inPlay };
+
+        for (int j = 0; j < 4; j++)
+        {
+            for (size_t k = 0; k < loadedPlayerZones[j]->cards.size(); k++)
             {
-                for (size_t k = 0; k < loadedPlayerZones[j]->cards.size(); k++)
-                {
-                    int cardid = loadedPlayerZones[j]->cards[k]->getId();
-                    list[nbcards] = cardid;
-                    nbcards++;
-                }
+                int cardid = loadedPlayerZones[j]->cards[k]->getId();
+                list[nbcards] = cardid;
+                nbcards++;
             }
-            deck = NEW MTGPlayerCards(player, list, nbcards);
         }
-        else
-            deck = NEW MTGPlayerCards();
+        deck = NEW MTGPlayerCards(player, list, nbcards);
     }
     else
     {
         deck = NEW MTGPlayerCards();
     }
+
     return deck;
 }