* Fixed that the becomes land effects of Gaea's Liege and Graceful Antelope did not end when the source left the battlefield.

Mage/src/main/java/mage/constants/Duration.java

@@ -12,6 +12,7 @@ public enum Duration {
     WhileInGraveyard("", false),
     EndOfTurn("until end of turn", true),
     UntilYourNextTurn("until your next turn", true),
+    UntilSourceLeavesBattlefield("until {source} leaves the battlefield", true), // supported for continuous layered effects
     EndOfCombat("until end of combat", true),
     EndOfStep("until end of phase step", true),
     Custom("", true);