convoke

other={convoke} name(Convoke)
delve
other={delve}
they might be able to be added directly to the real manacost.

added an ability that grants an ability while the source remains tapped
grant ability grantend...

added dethrone
abilities=dethrone

added support of multitargeting to extra cost, it acts the same as normal multitargeting, repeats dopay() the effects for each.

projects/mtg/src/MTGDefinitions.cpp

@@ -162,7 +162,8 @@ const char* Constants::MTGBasicAbilities[] = {
 	"skulk",
 	"menace",
 	"nosolo",
-	"mustblock"
+	"mustblock",
+	"dethrone",
 };
 
 map<string,int> Constants::MTGBasicAbilitiesMap;