diff --git a/projects/mtg/bin/Res/sets/primitives/M20.txt b/projects/mtg/bin/Res/sets/primitives/M20.txt
index b885168a8..40242b788 100644
--- a/projects/mtg/bin/Res/sets/primitives/M20.txt
+++ b/projects/mtg/bin/Res/sets/primitives/M20.txt
@@ -1616,7 +1616,7 @@ toughness=2
 name=Angel of Vitality
 abilities=flying
 auto=this(controllerlife > 24) 2/2
-auto=@lifeof(player): may life:1
+auto=@lifeof(player) except(Angel of Vitality): life:1
 text=Flying -- If you would gain life, you gain that much life plus 1 instead. -- Angel of Vitality gets +2/+2 as long as you have 25 or more life.
 mana={2}{W}
 type=Creature
diff --git a/projects/mtg/include/AllAbilities.h b/projects/mtg/include/AllAbilities.h
index b8ff0c4e8..681f63385 100644
--- a/projects/mtg/include/AllAbilities.h
+++ b/projects/mtg/include/AllAbilities.h
@@ -1736,8 +1736,9 @@ public:
     TargetChooser * fromTc;
     int type;//this allows damagenoncombat and combatdamage to share this trigger
     bool sourceUntapped, thiscontroller, thisopponent;
-    TrLifeGained(GameObserver* observer, int id, MTGCardInstance * source, TargetChooser * tc, TargetChooser * fromTc = NULL, int type = 0,bool sourceUntapped = false,bool once = false, bool thiscontroller = false, bool thisopponent = false) :
-        Trigger(observer, id, source, once , tc),  fromTc(fromTc), type(type) , sourceUntapped(sourceUntapped) , thiscontroller(thiscontroller) , thisopponent(thisopponent)
+    MTGCardInstance * gainException; //added exception to avid a gainlife loop (eg. Angels of Vitality)
+    TrLifeGained(GameObserver* observer, int id, MTGCardInstance * source, TargetChooser * tc, TargetChooser * fromTc = NULL, int type = 0,bool sourceUntapped = false,bool once = false, bool thiscontroller = false, bool thisopponent = false, MTGCardInstance * gainException = NULL) :
+        Trigger(observer, id, source, once , tc),  fromTc(fromTc), type(type) , sourceUntapped(sourceUntapped) , thiscontroller(thiscontroller) , thisopponent(thisopponent), gainException(gainException)
     {
     }
 
@@ -1749,6 +1750,7 @@ public:
             return 0;
         if (!tc->canTarget(e->player)) return 0;
         if (fromTc && !fromTc->canTarget(e->player)) return 0;
+        if (gainException && e->source && !strcmp(gainException->data->name.c_str(), e->source->data->name.c_str())) return 0; //If the source of life gain it's the exception card don't gain life (loop avoidance);
         if (type == 1 && (e->amount > 0)) return 0;
         if (type == 0 && (e->amount < 0)) return 0;
         if(thiscontroller)
@@ -6983,7 +6985,7 @@ public:
             MTGCardInstance * card = d->source;
             if (d->damage > 0 && card && (card == source || card == source->target))
             {
-                source->owner->gainLife(d->damage);
+                source->owner->gainLife(d->damage, source);
                 return 1;
             }
         }
diff --git a/projects/mtg/include/Player.h b/projects/mtg/include/Player.h
index 9369ea79a..c578e0edf 100644
--- a/projects/mtg/include/Player.h
+++ b/projects/mtg/include/Player.h
@@ -69,9 +69,10 @@ public:
 
     int afterDamage();
 
-    int gainLife(int value);
-    int loseLife(int value);
-    int gainOrLoseLife(int value);
+    // Added source of life gain/loss in order to check later a possible exception.
+    int gainLife(int value, MTGCardInstance* source);
+    int loseLife(int value, MTGCardInstance* source);
+    int gainOrLoseLife(int value, MTGCardInstance* source);
 
     bool isPoisoned() {return (poisonCount > 0);}
     int poisoned();
diff --git a/projects/mtg/include/WEvent.h b/projects/mtg/include/WEvent.h
index 9cb1788a7..7a6cda611 100644
--- a/projects/mtg/include/WEvent.h
+++ b/projects/mtg/include/WEvent.h
@@ -71,7 +71,8 @@ struct WEventCounters : public WEvent {
 struct WEventLife : public WEvent {
     Player * player;
     int amount;
-    WEventLife(Player * player,int amount);
+    MTGCardInstance * source;
+    WEventLife(Player * player,int amount, MTGCardInstance * source);
     virtual Targetable * getTarget(int target);
 };
 
diff --git a/projects/mtg/src/AllAbilities.cpp b/projects/mtg/src/AllAbilities.cpp
index 9ec0dc2f6..f8f5c399b 100644
--- a/projects/mtg/src/AllAbilities.cpp
+++ b/projects/mtg/src/AllAbilities.cpp
@@ -4033,9 +4033,9 @@ int AALifer::resolve()
         _target = ((MTGCardInstance *) _target)->controller();
     }
     Player *player = (Player*)_target;
-    int slife = abs(player->gainOrLoseLife(life.getValue()));
+    int slife = abs(player->gainOrLoseLife(life.getValue(), source));
     if(siphon && (slife > 0) && (life.getValue() < 0))
-        source->controller()->gainOrLoseLife(slife);
+        source->controller()->gainOrLoseLife(slife, source);
 
     return 1;
 }
@@ -4222,7 +4222,7 @@ int AALifeSet::resolve()
         return 0;
 
     int lifeDiff = life->getValue() - p->life ;
-    p->gainOrLoseLife(lifeDiff);
+    p->gainOrLoseLife(lifeDiff, source);
 
     return 1;
 }
@@ -6509,14 +6509,14 @@ int AAExchangeLife::resolve()
             if(oldlife > targetOldLife)
             {
                 increaser = oldlife - targetOldLife;
-                player->gainOrLoseLife(modifier * -1);
+                player->gainOrLoseLife(modifier * -1, source);
                 card->addToToughness(increaser+toughMod);
             }
             else
             {
                 _target->life = oldlife;
                 card->toughness = oldlife;
-                player->gainOrLoseLife(modifier);
+                player->gainOrLoseLife(modifier, source);
             }
 
             return 1;
@@ -6524,13 +6524,13 @@ int AAExchangeLife::resolve()
         Player * opponent = (Player*)_target;
         if(oldlife > targetOldLife)
         {
-            player->gainOrLoseLife(modifier * -1);
-            opponent->gainOrLoseLife(modifier);
+            player->gainOrLoseLife(modifier * -1, source);
+            opponent->gainOrLoseLife(modifier, source);
         }
         else
         {
-            player->gainOrLoseLife(modifier);
-            opponent->gainOrLoseLife(modifier * -1);
+            player->gainOrLoseLife(modifier, source);
+            opponent->gainOrLoseLife(modifier * -1, source);
         }
         return 1;
     }
diff --git a/projects/mtg/src/Damage.cpp b/projects/mtg/src/Damage.cpp
index 597f746c9..ed2f88ae9 100644
--- a/projects/mtg/src/Damage.cpp
+++ b/projects/mtg/src/Damage.cpp
@@ -269,7 +269,7 @@ int Damage::resolve()
                         source->controller()->prowledTypes.push_back(values[i]);
                 }
             }
-            WEvent * lifed = NEW WEventLife((Player*)target,-damage);
+            WEvent * lifed = NEW WEventLife((Player*)target,-damage, source);
             observer->receiveEvent(lifed);
         }
     }
diff --git a/projects/mtg/src/ExtraCost.cpp b/projects/mtg/src/ExtraCost.cpp
index 26c781988..0311a1f3d 100644
--- a/projects/mtg/src/ExtraCost.cpp
+++ b/projects/mtg/src/ExtraCost.cpp
@@ -299,7 +299,7 @@ int LifeCost::doPay()
 
     MTGCardInstance * _target = (MTGCardInstance *) target;
 
-    _target->controller()->loseLife(1);
+    _target->controller()->loseLife(1, source);
     target = NULL;
     if (tc)
         tc->initTargets();
@@ -345,7 +345,7 @@ int SpecificLifeCost::doPay()
 
     MTGCardInstance * _target = (MTGCardInstance *) target;
 
-    _target->controller()->loseLife(slc);
+    _target->controller()->loseLife(slc, source);
     target = NULL;
     if (tc)
         tc->initTargets();
@@ -407,7 +407,7 @@ int LifeorManaCost::doPay()
     }
     else
     {
-        _target->controller()->loseLife(2);
+        _target->controller()->loseLife(2, source);
     }
     target = NULL;
     if (tc)
diff --git a/projects/mtg/src/MTGAbility.cpp b/projects/mtg/src/MTGAbility.cpp
index 16ee47ffa..abe868d60 100644
--- a/projects/mtg/src/MTGAbility.cpp
+++ b/projects/mtg/src/MTGAbility.cpp
@@ -1248,42 +1248,66 @@ TriggeredAbility * AbilityFactory::parseTrigger(string s, string, int id, Spell
     if (TargetChooser * tc = parseSimpleTC(s, "lifeof", card))
     {
         TargetChooser *fromTc = parseSimpleTC(s, "from", card);
-        return NEW TrLifeGained(observer, id, card, tc, fromTc, 0,sourceUntapped,once,true,false);
+        TargetChooser *exception = parseSimpleTC(s, "except", card); // Added a new keyword except to specify a life gain/loss card exception in order to avoid life gain loop (eg. Angels of Vitality)
+        if(exception)
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 0,sourceUntapped,once,true,false, exception->source);
+        else
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 0,sourceUntapped,once,true,false);
     }
 
     //Lifed current opponent
     if (TargetChooser * tc = parseSimpleTC(s, "lifefoeof", card))
     {
         TargetChooser *fromTc = parseSimpleTC(s, "from", card);
-        return NEW TrLifeGained(observer, id, card, tc, fromTc, 0,sourceUntapped,once,false,true);
+        TargetChooser *exception = parseSimpleTC(s, "except", card); // Added a new keyword except to specify a life gain/loss card exception in order to avoid life gain loop (eg. Angels of Vitality)
+        if(exception)
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 0,sourceUntapped,once,false,true, exception->source); 
+        else
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 0,sourceUntapped,once,false,true);
     }
 
     //Lifed static
     if (TargetChooser * tc = parseSimpleTC(s, "lifed", card))
     {
         TargetChooser *fromTc = parseSimpleTC(s, "from", card);
-        return NEW TrLifeGained(observer, id, card, tc, fromTc, 0,sourceUntapped,once);
+        TargetChooser *exception = parseSimpleTC(s, "except", card); // Added a new keyword except to specify a life gain/loss card exception in order to avoid life gain loop (eg. Angels of Vitality)
+        if(exception)
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 0,sourceUntapped,once,false,false, exception->source);
+        else
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 0,sourceUntapped,once,false,false);
     }
 
     //Life Loss current player
     if (TargetChooser * tc = parseSimpleTC(s, "lifelostof", card))
     {
         TargetChooser *fromTc = parseSimpleTC(s, "from", card);
-        return NEW TrLifeGained(observer, id, card, tc, fromTc,1,sourceUntapped,once,true,false);
+        TargetChooser *exception = parseSimpleTC(s, "except", card); // Added a new keyword except to specify a life gain/loss card exception in order to avoid life gain loop (eg. Angels of Vitality)
+        if(exception)
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 1,sourceUntapped,once,true,false, exception->source);
+        else
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 1,sourceUntapped,once,true,false);
     }
 
     //Life Loss current opponent
     if (TargetChooser * tc = parseSimpleTC(s, "lifelostfoeof", card))
     {
         TargetChooser *fromTc = parseSimpleTC(s, "from", card);
-        return NEW TrLifeGained(observer, id, card, tc, fromTc,1,sourceUntapped,once,false,true);
+        TargetChooser *exception = parseSimpleTC(s, "except", card); // Added a new keyword except to specify a life gain/loss card exception in order to avoid life gain loop (eg. Angels of Vitality)
+        if(exception)
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 1,sourceUntapped,once,false,true, exception->source);
+        else
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 1,sourceUntapped,once,false,true);
     }
 
     //Life Loss static
     if (TargetChooser * tc = parseSimpleTC(s, "lifeloss", card))
     {
         TargetChooser *fromTc = parseSimpleTC(s, "from", card);
-        return NEW TrLifeGained(observer, id, card, tc, fromTc,1,sourceUntapped,once);
+        TargetChooser *exception = parseSimpleTC(s, "except", card); // Added a new keyword except to specify a life gain/loss card exception in order to avoid life gain loop (eg. Angels of Vitality)
+        if(exception)
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 1,sourceUntapped,once,false,false, exception->source);
+        else
+            return NEW TrLifeGained(observer, id, card, tc, fromTc, 1,sourceUntapped,once,false,false);
     }
 
     //Card Damaged and killed by a creature this turn
@@ -5174,7 +5198,7 @@ void AbilityFactory::addAbilities(int _id, Spell * spell)
         observer->mLayers->stackLayer()->addDamage(card, target, x);
         if (target->life < x)
             x = target->life;
-        observer->currentlyActing()->gainLife(x);
+        observer->currentlyActing()->gainLife(x, card);
         break;
     }
     case 1159: //Erg Raiders
@@ -5316,7 +5340,7 @@ void AbilityFactory::addAbilities(int _id, Spell * spell)
                 if (current->hasType("Artifact"))
                 {
                     observer->players[i]->game->putInGraveyard(current);
-                    current->controller()->gainLife(current->getManaCost()->getConvertedCost());
+                    current->controller()->gainLife(current->getManaCost()->getConvertedCost(), card);
                 }
             }
         }
@@ -5416,7 +5440,7 @@ void AbilityFactory::addAbilities(int _id, Spell * spell)
             if (library->nb_cards)
                 player->game->putInZone(library->cards[library->nb_cards - 1], library, player->game->graveyard);
         }
-        observer->currentlyActing()->gainLife(x);
+        observer->currentlyActing()->gainLife(x, card);
         break;
     }
 
diff --git a/projects/mtg/src/MTGRules.cpp b/projects/mtg/src/MTGRules.cpp
index c2828e82f..ea2d901da 100644
--- a/projects/mtg/src/MTGRules.cpp
+++ b/projects/mtg/src/MTGRules.cpp
@@ -3838,7 +3838,7 @@ int MTGLifelinkRule::receiveEvent(WEvent * event)
         MTGCardInstance * card = d->source;
         if (d->damage > 0 && card && (card->basicAbilities[(int)Constants::LIFELINK]||card->LKIbasicAbilities[(int)Constants::LIFELINK]))
         {
-            card->controller()->gainLife(d->damage);
+            card->controller()->gainLife(d->damage, source);
             return 1;
         }
     }
diff --git a/projects/mtg/src/Player.cpp b/projects/mtg/src/Player.cpp
index 42ca1b60e..363a46cfd 100644
--- a/projects/mtg/src/Player.cpp
+++ b/projects/mtg/src/Player.cpp
@@ -159,7 +159,7 @@ ManaPool * Player::getManaPool()
     return manaPool;
 }
 
-int Player::gainOrLoseLife(int value)
+int Player::gainOrLoseLife(int value, MTGCardInstance* source)
 {
     if (!value)
         return 0; //Don't do anything if there's no actual life change
@@ -179,30 +179,30 @@ int Player::gainOrLoseLife(int value)
     }
 
     //Send life event to listeners
-    WEvent * lifed = NEW WEventLife(this,value);
+    WEvent * lifed = NEW WEventLife(this, value, source);
     observer->receiveEvent(lifed);
 
     return value;
 }
 
-int Player::gainLife(int value)
+int Player::gainLife(int value, MTGCardInstance* source)
 {
     if (value <0)
     {
         DebugTrace("PLAYER.CPP: don't call gainLife on a negative value, use loseLife instead");
         return 0;
     }
-    return gainOrLoseLife(value);
+    return gainOrLoseLife(value, source);
 }
 
-int Player::loseLife(int value)
+int Player::loseLife(int value, MTGCardInstance* source)
 {
     if (value <0)
     {
         DebugTrace("PLAYER.CPP: don't call loseLife on a negative value, use gainLife instead");
         return 0;
     }
-    return gainOrLoseLife(-value);
+    return gainOrLoseLife(-value, source);
 }
 
 int Player::afterDamage()
diff --git a/projects/mtg/src/WEvent.cpp b/projects/mtg/src/WEvent.cpp
index a88aa85d3..5a4f36d78 100644
--- a/projects/mtg/src/WEvent.cpp
+++ b/projects/mtg/src/WEvent.cpp
@@ -22,8 +22,8 @@ WEventDamage::WEventDamage(Damage *damage) :
 {
 }
 
-WEventLife::WEventLife(Player * player,int amount) :
-    WEvent(), player(player),amount(amount)
+WEventLife::WEventLife(Player * player, int amount, MTGCardInstance* source) :
+    WEvent(), player(player), amount(amount), source(source)
 {
 }