Fixed bug with syncopate to consume all the mana available

Now pay[[{x}]] is not supported because of this.
use "pay[[{value:storedx}]]" instead

projects/mtg/bin/Res/sets/primitives/mtg.txt

@@ -88480,7 +88480,7 @@ toughness=3
 [card]
 name=Syncopate
 target=*|stack
-auto=transforms((,newability[pay[[{x}]] name(pay {value} mana) donothing?fizzleto(exile)])) forever
+auto=transforms((,newability[pay[[{value:storedx}]] name(pay {value} mana) donothing?fizzleto(exile)])) forever
 text=Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
 mana={X}{U}
 type=Instant

projects/mtg/bin/Res/test/counter_unless_pay_x.txt

@@ -1,10 +1,10 @@
 #Testing Counter unless pay {X} mechanic
-#P1 casts Think Twice with {4} left in his mana pool and P2 counters with Syncopate using X = 3. P1 chooses to pay {3} and Think Twice resolves with {1} left in his mana pool.
+#P1 casts Think Twice with {5} left in his mana pool and P2 counters with Syncopate using X = 3. P1 chooses to pay {3} and Think Twice resolves with {2} left in his mana pool.
 [INIT]
 firstmain
 [PLAYER1]
 hand:think twice
-manapool:{5}{U}
+manapool:{1}{U}{5}
 library:counterspell
 [PLAYER2]
 hand:syncopate
@@ -21,7 +21,7 @@ firstmain
 [PLAYER1]
 hand:counterspell
 graveyard:think twice
-manapool:{1}
+manapool:{2}
 [PLAYER2]
 graveyard:syncopate
 [END]

projects/mtg/src/AllAbilities.cpp

@@ -1144,9 +1144,6 @@ int GenericPaidAbility::resolve()
         baseAbility = Af.parseMagicLine(baseAbilityStrSplit[0], this->GetId(), NULL, source);
         baseAbility->target = target;
         optionalCost =  ManaCost::parseManaCost(baseCost, NULL, source);
-        if (optionalCost->hasX()) {
-            optionalCost->add(Constants::MTG_COLOR_ARTIFACT, source->storedSourceCard->X);
-        }
 
         // hacky way to produce better MenuText
         AAFakeAbility* isFake = dynamic_cast< AAFakeAbility* >( baseAbility );
@@ -3530,10 +3527,10 @@ int MenuAbility::reactToChoiceClick(Targetable * object,int choice,int control)
         if (mClone && !toPay && optionalCosts.size() && i < int(optionalCosts.size()) && optionalCosts[i])//paidability only supports the first ability as paid for now.
         {
             toPay = NEW ManaCost();
-            if(optionalCosts[i]->extraCosts)
-            toPay->extraCosts = optionalCosts[i]->extraCosts->clone();
+            if (optionalCosts[i]->extraCosts)
+                toPay->extraCosts = optionalCosts[i]->extraCosts->clone();
             toPay->addExtraCost(NEW ExtraManaCost(NEW ManaCost(optionalCosts[i])));
-            toPay->setExtraCostsAction(this,source);
+            toPay->setExtraCostsAction(this, source);
             game->mExtraPayment = toPay->extraCosts;
             return 0;
         }

projects/mtg/src/ManaCost.cpp

@@ -424,7 +424,7 @@ int ManaCost::hasX()
         DebugTrace("Seems ManaCost was not properly initialized");
         return 0;
     }
-    if(xColor > 0)
+    if (xColor > 0)
         return 0;
 
     return cost[Constants::NB_Colors];