diff --git a/projects/mtg/include/ThisDescriptor.h b/projects/mtg/include/ThisDescriptor.h
index c58caaaa7..e1b68ae03 100644
--- a/projects/mtg/include/ThisDescriptor.h
+++ b/projects/mtg/include/ThisDescriptor.h
@@ -98,6 +98,13 @@ class ThisAttacked:public ThisDescriptor{
 	ThisAttacked(int attack);
 };
 
+class ThisBlocked:public ThisDescriptor{
+ public:
+    virtual int match(MTGCardInstance * card);
+
+	ThisBlocked(int block);
+};
+
 class ThisNotBlocked:public ThisDescriptor{
  public:
     virtual int match(MTGCardInstance * card);
diff --git a/projects/mtg/src/MTGAbility.cpp b/projects/mtg/src/MTGAbility.cpp
index b20d63ff8..16bbe84ad 100644
--- a/projects/mtg/src/MTGAbility.cpp
+++ b/projects/mtg/src/MTGAbility.cpp
@@ -1817,7 +1817,7 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
                 return tok;
             }
         }
-
+        size_t realEnd = s.find(")", found);
         end = s.find(",", found);
         string sname = s.substr(found + 6, end - found - 6);
         size_t previous = end + 1;
@@ -1825,6 +1825,8 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
         string stypes = s.substr(previous, end - previous);
         previous = end + 1;
         end = s.find(",", previous);
+        if(end == string::npos)
+        end = realEnd;
         string spt = s.substr(previous, end - previous);
         int value = 0;
         int power, toughness;
diff --git a/projects/mtg/src/ThisDescriptor.cpp b/projects/mtg/src/ThisDescriptor.cpp
index 570de788e..0db634d5a 100644
--- a/projects/mtg/src/ThisDescriptor.cpp
+++ b/projects/mtg/src/ThisDescriptor.cpp
@@ -214,7 +214,19 @@ ThisDescriptor * ThisDescriptorFactory::createThisDescriptor(string s)
         }
         return NULL;
     }
-
+    //whenever this creature blocks do effect
+    found = s.find("blocking");
+    if (found != string::npos)
+    {
+        ThisBlocked * td = NEW ThisBlocked(criterion);
+        if (td)
+        {
+            td->comparisonMode = mode;
+            return td;
+        }
+        return NULL;
+    }
+    
     //whenever this creature attacks do effect
     found = s.find("notblocked");
     if (found != string::npos)
@@ -444,6 +456,18 @@ int ThisAttacked::match(MTGCardInstance * card)
     return matchValue(card->didattacked);
 }
 
+ThisBlocked::ThisBlocked(int block)
+{
+
+    comparisonCriterion = block;
+}
+
+int ThisBlocked::match(MTGCardInstance * card)
+{
+
+    return matchValue(card->didblocked);
+}
+
 ThisNotBlocked::ThisNotBlocked(int unblocked)
 {