added support for alternative casting cost, evoke, added support for phantom cycle,hydras, added support for exile/bounce as casting cost

projects/mtg/src/MTGCardInstance.cpp

@@ -109,6 +109,7 @@ void MTGCardInstance::initMTGCI(){
   next = NULL;
   lastController = NULL;
   regenerateTokens = 0;
+  costAmount = 0;
   blocked = false;
   currentZone = NULL;
   data = this; //an MTGCardInstance point to itself for data, allows to update it without killing the underlying database item
@@ -296,6 +297,10 @@ int MTGCardInstance::hasSummoningSickness(){
   return 1;
 }
 
+int MTGCardInstance::getCostAmount(){
+  return 1;
+}
+
 MTGCardInstance * MTGCardInstance::changeController(Player * newController){
   Player * originalOwner = controller();
   if (originalOwner  == newController) return this;