diff --git a/projects/mtg/include/AllAbilities.h b/projects/mtg/include/AllAbilities.h
index ca7b73302..acb28f401 100644
--- a/projects/mtg/include/AllAbilities.h
+++ b/projects/mtg/include/AllAbilities.h
@@ -804,6 +804,7 @@ public:
                         {
                         if(!source->isInPlay())
                         return 0;
+                           // TODO: C6246: Clarify e, is this independant of the "e" declared outside this scope?
                             WEvent * e = NEW WEventVampire(victems[w],victems[w],source);
                             game->receiveEvent(e);
                             victems[w] = NULL;
@@ -4704,6 +4705,7 @@ public:
     {
         if (value_before_modification)
         {
+            // TODO: C6246: Clarify _target, is this independant of the "_target" declared as the member var of this class?
             Damageable * _target = (Damageable *) target;
             game->mLayers->stackLayer()->addDamage(source, _target, 2);
         }
diff --git a/projects/mtg/src/AIPlayer.cpp b/projects/mtg/src/AIPlayer.cpp
index d51107c1c..c0115e29e 100644
--- a/projects/mtg/src/AIPlayer.cpp
+++ b/projects/mtg/src/AIPlayer.cpp
@@ -156,11 +156,11 @@ bool AIPlayer::tapLandsForMana(ManaCost * cost, MTGCardInstance * target)
             {
                 used[card] = true;
                 int doUse = 1;
-                for (int i = Constants::MTG_NB_COLORS - 1; i >= 0; i--)
+                for (int colorsIdx = Constants::MTG_NB_COLORS - 1; colorsIdx >= 0; colorsIdx--)
                 {
-                    if (diff->getCost(i) && amp->output->getCost(i))
+                    if (diff->getCost(colorsIdx) && amp->output->getCost(colorsIdx))
                     {
-                        diff->remove(i, 1);
+                        diff->remove(colorsIdx, 1);
                         doUse = 0;
                         break;
                     }
@@ -513,7 +513,8 @@ int AIAction::getEfficiency()
     case MTGAbility::MANA_PRODUCER://only way to hit this condition is nested manaabilities, ai skips manaproducers by defualt when finding an ability to use.
     {
         MTGCardInstance * _target = (MTGCardInstance *) (a->target);
-        MTGAbility * a = AbilityFactory::getCoreAbility(ability);
+        // TODO: C6246: Clarify a, is this independant of the "a" declared outside this scope?
+       MTGAbility * a = AbilityFactory::getCoreAbility(ability);
 
         efficiency = 0;
         //trying to encourage Ai to use his foreach manaproducers in first main
diff --git a/projects/mtg/src/GameObserver.cpp b/projects/mtg/src/GameObserver.cpp
index cbc94f9f7..ba08f82a2 100644
--- a/projects/mtg/src/GameObserver.cpp
+++ b/projects/mtg/src/GameObserver.cpp
@@ -604,9 +604,9 @@ void GameObserver::gameStateBasedEffects()
         for(int w = 0;w < z->nb_cards;w++)
         {  
             int colored = 0;
-            for (int i = Constants::MTG_COLOR_GREEN; i <= Constants::MTG_COLOR_WHITE; ++i)
+            for (int colorIdx = Constants::MTG_COLOR_GREEN; colorIdx <= Constants::MTG_COLOR_WHITE; ++colorIdx)
             {
-                if (z->cards[w]->hasColor(i))
+                if (z->cards[w]->hasColor(colorIdx))
                     ++colored;
             }
             if(colored > 1)
@@ -770,7 +770,8 @@ void GameObserver::Affinity()
                     {
                         reduce = card->controller()->game->battlefield->countByType(type.c_str());
                     }
-                    for(int i = 0; i < reduce;i++)
+
+                    for(int reductionIdx = 0; reductionIdx < reduce; reductionIdx++)
                     {
                         if(card->getManaCost()->getCost(color) > 0)
                             card->getManaCost()->remove(color,1);
diff --git a/projects/mtg/src/GameOptions.cpp b/projects/mtg/src/GameOptions.cpp
index b7d751b19..bcc66ae83 100644
--- a/projects/mtg/src/GameOptions.cpp
+++ b/projects/mtg/src/GameOptions.cpp
@@ -972,9 +972,10 @@ bool GameOptionAward::read(string input)
     int i;
     for (i = 0; i < 5; i++)
         tvals[i] = 0;
+    i = 0;
 
     string buf;
-    for (size_t t = 0, i = 0; t < input.size(); t++)
+    for (size_t t = 0; t < input.size(); t++)
     {
         if (!isdigit(input[t]))
         {
diff --git a/projects/mtg/src/GameStateDeckViewer.cpp b/projects/mtg/src/GameStateDeckViewer.cpp
index d7909b320..078802648 100644
--- a/projects/mtg/src/GameStateDeckViewer.cpp
+++ b/projects/mtg/src/GameStateDeckViewer.cpp
@@ -1512,7 +1512,7 @@ int GameStateDeckViewer::loadDeck(int deckid)
     {
         MTGCard * current = myDeck->getCard(i, true);
         int howmanyinDeck = myDeck->count(current);
-        for (int i = myCollection->count(current); i < howmanyinDeck; i++)
+        for (int numCardsInCollection = myCollection->count(current); numCardsInCollection < howmanyinDeck; numCardsInCollection++)
         {
             bPure = false;
             if (cheatmode)
diff --git a/projects/mtg/src/GameStateDuel.cpp b/projects/mtg/src/GameStateDuel.cpp
index db180061b..220e1ae16 100644
--- a/projects/mtg/src/GameStateDuel.cpp
+++ b/projects/mtg/src/GameStateDuel.cpp
@@ -561,7 +561,6 @@ void GameStateDuel::Render()
     {
     case DUEL_STATE_END:
         {
-            JRenderer * r = JRenderer::GetInstance();
             r->FillRect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, ARGB(200,0,0,0));
             credits->Render();
 #ifdef TESTSUITE
diff --git a/projects/mtg/src/GameStateMenu.cpp b/projects/mtg/src/GameStateMenu.cpp
index 3b16b10e4..a6c69ac87 100644
--- a/projects/mtg/src/GameStateMenu.cpp
+++ b/projects/mtg/src/GameStateMenu.cpp
@@ -292,11 +292,11 @@ int GameStateMenu::nextDirectory(const char * root, const char * file)
     while (!found && (mDit = readdir(mDip)))
     {
         sprintf(mCurrentSetFileName, "%s/%s/%s", root, mDit->d_name, file);
-        wagic::ifstream file(mCurrentSetFileName);
-        if (file)
+        wagic::ifstream setFile(mCurrentSetFileName);
+        if (setFile)
         {
             sprintf(mCurrentSetName, "%s", mDit->d_name);
-            file.close();
+            setFile.close();
             found = 1;
         }
     }
diff --git a/projects/mtg/src/GuiCombat.cpp b/projects/mtg/src/GuiCombat.cpp
index 6c2de46e7..48fa355f5 100644
--- a/projects/mtg/src/GuiCombat.cpp
+++ b/projects/mtg/src/GuiCombat.cpp
@@ -459,6 +459,7 @@ int GuiCombat::receiveEventPlus(WEvent* e)
         attackers.push_back(t);
         return 1;
     }
+   // TODO: C6246: Clarify event, which event are you referring to?
     else if (WEventCreatureBlocker* event = dynamic_cast<WEventCreatureBlocker*>(e))
     {
         for (inner_iterator it = attackers.begin(); it != attackers.end(); ++it)
@@ -477,6 +478,7 @@ int GuiCombat::receiveEventPlus(WEvent* e)
             }
         return 0;
     }
+   // TODO: C6246: Clarify event, which event are you referring to?
     else if (WEventCreatureBlockerRank* event = dynamic_cast<WEventCreatureBlockerRank*>(e))
     {
         for (inner_iterator it = attackers.begin(); it != attackers.end(); ++it)
@@ -543,6 +545,7 @@ int GuiCombat::receiveEventMinus(WEvent* e)
             }
         return 0;
     }
+   // TODO: C6246: Clarify event, which event are you referring to?
     else if (WEventCreatureBlocker* event = dynamic_cast<WEventCreatureBlocker*>(e))
     {
         for (inner_iterator it = attackers.begin(); it != attackers.end(); ++it)
@@ -557,6 +560,7 @@ int GuiCombat::receiveEventMinus(WEvent* e)
                     }
         return 0;
     }
+    // TODO: C6246: Clarify event->to->id, which event are you referring to?
     else if (WEventPhaseChange* event = dynamic_cast<WEventPhaseChange*>(e))
     {
         if (Constants::MTG_PHASE_COMBATDAMAGE == event->to->id)
@@ -564,6 +568,7 @@ int GuiCombat::receiveEventMinus(WEvent* e)
         else
             cursor_pos = NONE;
     }
+    // TODO:  C6246: Clarify event->step, which event are you referring to?
     else if (WEventCombatStepChange* event = dynamic_cast<WEventCombatStepChange*>(e))
         switch (event->step)
         {
diff --git a/projects/mtg/src/GuiPlay.cpp b/projects/mtg/src/GuiPlay.cpp
index fec6b0d60..18ba3f2c4 100644
--- a/projects/mtg/src/GuiPlay.cpp
+++ b/projects/mtg/src/GuiPlay.cpp
@@ -356,6 +356,7 @@ int GuiPlay::receiveEventPlus(WEvent * e)
             return 1;
         }
     }
+   // TODO: C6246: Clarify event, which event are you referring to?
     else if (WEventCreatureAttacker* event = dynamic_cast<WEventCreatureAttacker*>(e))
     {
         if (NULL != event->after)
@@ -368,6 +369,7 @@ int GuiPlay::receiveEventPlus(WEvent * e)
     {
         Replace();
     }
+   // TODO: C6246: Clarify event, which event are you referring to?
     else if (WEventCardTap* event = dynamic_cast<WEventCardTap*>(e))
     {
         if (CardView* cv = dynamic_cast<CardView*>(event->card->view))
@@ -383,6 +385,7 @@ int GuiPlay::receiveEventPlus(WEvent * e)
         }
         return 1;
     }
+   // TODO: C6246: Clarify event, which event are you referring to?
     else if (WEventPhaseChange *event = dynamic_cast<WEventPhaseChange*>(e))
     {
         if (Constants::MTG_PHASE_COMBATEND == event->to->id)
diff --git a/projects/mtg/src/MTGAbility.cpp b/projects/mtg/src/MTGAbility.cpp
index 9871ff2f2..e60680500 100644
--- a/projects/mtg/src/MTGAbility.cpp
+++ b/projects/mtg/src/MTGAbility.cpp
@@ -1618,11 +1618,11 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
         size_t end = s.find("]", start);
         string s1 = s.substr(start + 1, end - start - 1);
         int phase = Constants::MTG_PHASE_UPKEEP;
-            for (int i = 0; i < Constants::NB_MTG_PHASES; i++)
+            for (int phaseIdx = 0; phaseIdx < Constants::NB_MTG_PHASES; phaseIdx++)
             {
-                if (s1.find(Constants::MTGPhaseCodeNames[i]) != string::npos)
+                if (s1.find(Constants::MTGPhaseCodeNames[phaseIdx]) != string::npos)
                 {
-                    phase = i;
+                    phase = phaseIdx;
                 }
             }
             bool opponentturn = true,myturn = true;
@@ -1685,13 +1685,13 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
         int once = 0;
         if (seperator != string::npos)
         {
-            for (int i = 0; i < Constants::NB_MTG_PHASES; i++)
+            for (int phaseIdx = 0; phaseIdx < Constants::NB_MTG_PHASES; phaseIdx++)
             {
                 if (s1.find("next") != string::npos)
                     once = 1;
-                if (s1.find(Constants::MTGPhaseCodeNames[i]) != string::npos)
+                if (s1.find(Constants::MTGPhaseCodeNames[phaseIdx]) != string::npos)
                 {
-                    phase = i;
+                    phase = phaseIdx;
                 }
             }
             s1 = s1.substr(0, seperator - 1);
@@ -2297,12 +2297,12 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
     }
 
     //Cast/Play Restrictions
-	for (size_t i = 0; i < kMaxCastKeywordsCount; ++i)
+	for (size_t castPlayIdx = 0; castPlayIdx < kMaxCastKeywordsCount; ++castPlayIdx)
     {
-        found = s.find(kMaxCastKeywords[i]);
+        found = s.find(kMaxCastKeywords[castPlayIdx]);
         if (found != string::npos)
         {
-            size_t header = kMaxCastKeywords[i].size();
+            size_t header = kMaxCastKeywords[castPlayIdx].size();
             size_t end = s.find(")");
             string targetsString = s.substr(found + header, end - found - header);
             TargetChooserFactory tcf;
@@ -2329,7 +2329,7 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
             {
                 return NEW AInstantCastRestrictionUEOT(id, card, t, castTargets, value, modifyExisting, kMaxCastZones[i], who);
             }
-            return NEW ACastRestriction(id, card, t, castTargets, value, modifyExisting, kMaxCastZones[i], who);
+            return NEW ACastRestriction(id, card, t, castTargets, value, modifyExisting, kMaxCastZones[castPlayIdx], who);
             //TODO NEW ACastRestrictionUntilEndOfTurn(id, card, t, value, modifyExisting, kMaxCastZones[i], who);
         }
     }
@@ -2578,9 +2578,11 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
         {
             size_t real_end = transformsParamsString.find("))", found);
             size_t end = transformsParamsString.find(",", found);
+            
             if (end == string::npos)
                 end = real_end;
-            size_t stypesStartIndex = found + 12;
+            
+            stypesStartIndex = found + 12;
             extraTransforms.append(transformsParamsString.substr(stypesStartIndex, real_end - stypesStartIndex).c_str());
             transformsParamsString.erase(stypesStartIndex, real_end - stypesStartIndex);
         }
@@ -2597,14 +2599,13 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
         vector<string> newAbilitiesList;
         storedString.erase();
         storedString.append(extraTransforms);
-        extraTransforms.erase();
-        for (unsigned int i = 0 ; i < abilities.size() ; i++)
-        {
-            if(abilities[i].empty())
-                abilities.erase(abilities.begin()+i);
-        }            
+        extraTransforms.erase();     
+
         for(unsigned int j = 0;j < abilities.size();j++)
         {
+            if (abilities[j].empty())
+                continue;
+
             if(abilities[j].find("setpower=") != string::npos)
             {
                 newpowerfound = true;
@@ -3205,8 +3206,10 @@ int AbilityFactory::magicText(int id, Spell * spell, MTGCardInstance * card, int
         if (dryMode)
         {
             result = abilityEfficiency(a, card->controller(), mode, tc);
-            for (size_t i = 0; i < v.size(); ++i)
-                SAFE_DELETE(v[i]);
+
+            for (vector<MTGAbility *>::iterator it = v.begin(); it != v.end(); ++it )
+                SAFE_DELETE(*it);
+            
             return result;
         }
 
@@ -3488,6 +3491,7 @@ void AbilityFactory::addAbilities(int _id, Spell * spell)
                 MTGInPlay * inplay = game->players[i]->game->inPlay;
                 for (int j = inplay->nb_cards - 1; j >= 0; j--)
                 {
+                    // TODO: C6246: Clarify card, is this independant of the "card" declared outside this scope?
                     MTGCardInstance * card = inplay->cards[j];
                     if (card->owner == player && card->hasType(Subtypes::TYPE_ARTIFACT))
                     {
@@ -3644,14 +3648,14 @@ void AbilityFactory::addAbilities(int _id, Spell * spell)
     case 3410: //Seed of Innocence
     {
         GameObserver * game = GameObserver::GetInstance();
-        for (int i = 0; i < 2; i++)
+        for (int playerIdx = 0; playerIdx < 2; playerIdx++)
         {
-            for (int j = 0; j < game->players[i]->game->inPlay->nb_cards; j++)
+            for (int j = 0; j < game->players[playerIdx]->game->inPlay->nb_cards; j++)
             {
-                MTGCardInstance * current = game->players[i]->game->inPlay->cards[j];
+                MTGCardInstance * current = game->players[playerIdx]->game->inPlay->cards[j];
                 if (current->hasType("Artifact"))
                 {
-                    game->players[i]->game->putInGraveyard(current);
+                    game->players[playerIdx]->game->putInGraveyard(current);
                     current->controller()->gainLife(current->getManaCost()->getConvertedCost());
                 }
             }
@@ -3808,7 +3812,6 @@ void AbilityFactory::addAbilities(int _id, Spell * spell)
 
     if (card->hasType(Subtypes::TYPE_INSTANT) || card->hasType(Subtypes::TYPE_SORCERY))
     {
-        MTGPlayerCards * zones = card->controller()->game;
         if (card->alternateCostPaid[ManaCost::MANA_PAID_WITH_BUYBACK] > 0)
         {
             zones->putInZone(card, zones->stack, zones->hand);
diff --git a/projects/mtg/src/MTGRules.cpp b/projects/mtg/src/MTGRules.cpp
index 54ecfc893..07477f3ef 100644
--- a/projects/mtg/src/MTGRules.cpp
+++ b/projects/mtg/src/MTGRules.cpp
@@ -426,10 +426,10 @@ int MTGPutInPlayRule::reactToClick(MTGCardInstance * card)
         if (card->has(Constants::STORM))
         {
             int storm = player->game->stack->seenThisTurn("*", Constants::CAST_ALL) + player->opponent()->game->stack->seenThisTurn("*", Constants::CAST_ALL);
-            ManaCost * spellCost = player->getManaPool();
+            ManaCost * stormSpellCost = player->getManaPool();
             for (int i = storm; i > 1; i--)
             {
-                spell = game->mLayers->stackLayer()->addSpell(copy, NULL, spellCost, payResult, 1);
+                spell = game->mLayers->stackLayer()->addSpell(copy, NULL, stormSpellCost, payResult, 1);
 
             }
         }//end of storm
diff --git a/projects/mtg/src/ManaCost.cpp b/projects/mtg/src/ManaCost.cpp
index b001126fb..f6721382b 100644
--- a/projects/mtg/src/ManaCost.cpp
+++ b/projects/mtg/src/ManaCost.cpp
@@ -140,15 +140,14 @@ ManaCost * ManaCost::parseManaCost(string s, ManaCost * _manaCost, MTGCardInstan
                         manaCost->addExtraCost(NEW MillCost(tc));
                         break;
                     case 'n': //return unblocked attacker cost
-                        TargetChooserFactory tcf;
                         tc = tcf.createTargetChooser("creature|myBattlefield", c);
                         manaCost->addExtraCost(NEW Ninja(tc));
                         break;
                     case 'p' :
                         {
                             SAFE_DELETE(tc);
-                            size_t start = value.find("(");
-                            size_t end = value.rfind(")");
+                            start = value.find("(");
+                            end = value.rfind(")");
                             string manaType = value.substr(start + 1, end - start - 1);
                             manaCost->addExtraCost(NEW LifeorManaCost(NULL,manaType));
                             break;
@@ -172,15 +171,15 @@ ManaCost * ManaCost::parseManaCost(string s, ManaCost * _manaCost, MTGCardInstan
                             separator2 = value.find(",", separator + 1);
                         }
                         SAFE_DELETE(tc);
-                        size_t target_start = string::npos;
+                        size_t targetIndexStart = string::npos;
                         if (separator2 != string::npos)
                         {
-                            target_start = value.find(",", separator2 + 1);
+                            targetIndexStart = value.find(",", separator2 + 1);
                         }
-                        size_t target_end = counter_end;
-                        if (target_start != string::npos && target_end != string::npos)
+                        size_t targetIndexEnd = counter_end;
+                        if (targetIndexStart != string::npos && targetIndexEnd != string::npos)
                         {
-                            string target = value.substr(target_start + 1, target_end - 1 - target_start);
+                            string target = value.substr(targetIndexStart + 1, targetIndexEnd - 1 - targetIndexStart);
                             tc = tcf.createTargetChooser(target, c);
                         }
                         manaCost->addExtraCost(NEW CounterCost(counter, tc));
@@ -195,6 +194,7 @@ ManaCost * ManaCost::parseManaCost(string s, ManaCost * _manaCost, MTGCardInstan
                         {
                             for (int i = 0; i < 2; i++)
                             {
+                               // TODO: C6246: Clarify c, is this independant of the "c" declared outside this scope?
                                 char c = value[i];
                                 if (c >= '0' && c <= '9')
                                 {
@@ -215,13 +215,13 @@ ManaCost * ManaCost::parseManaCost(string s, ManaCost * _manaCost, MTGCardInstan
                             }
                             if (values[0] > 0 || values[1] > 0)
                                 manaCost->addHybrid(colors[0], values[0], colors[1], values[1]);
+                            }
+                            else
+                            {
+                                manaCost->add(Constants::MTG_COLOR_ARTIFACT, intvalue);
+                            }
+                            break;
                         }
-                        else
-                        {
-                            manaCost->add(Constants::MTG_COLOR_ARTIFACT, intvalue);
-                        }
-                        break;
-                    }
                     }
                 }
                 s = s.substr(end + 1);
diff --git a/projects/mtg/src/TargetChooser.cpp b/projects/mtg/src/TargetChooser.cpp
index 286fd22df..ccd791d63 100644
--- a/projects/mtg/src/TargetChooser.cpp
+++ b/projects/mtg/src/TargetChooser.cpp
@@ -484,6 +484,7 @@ TargetChooser * TargetChooserFactory::createTargetChooser(string s, MTGCardInsta
                 else if (attribute.find("share!") != string::npos)
                 {
                     size_t start = attribute.find("share!");
+                   // TODO: C6246: Clarify end, is this independant of the "end" declared outside this scope?
                     size_t end = attribute.rfind("!");
                     string CDtype = attribute.substr(start + 6,end - start);
                     if( card && card->isSpell() && card->backupTargets[0]->typeAsTarget() == TARGET_STACKACTION)
@@ -546,6 +547,7 @@ TargetChooser * TargetChooserFactory::createTargetChooser(string s, MTGCardInsta
                     else
                     {
                         size_t start = attribute.find("{");
+                       // TODO: C6246: Clarify end, is this independant of the "end" declared outside this scope?
                         size_t end = attribute.find("}");
                         string counterString = attribute.substr(start + 1, end - start - 1);
                         AbilityFactory abf;