remove nashorn import.
@@ -3,7 +3,6 @@ package mage.game.command.planes;
import java.util.ArrayList;
import java.util.List;
-import static jdk.nashorn.internal.objects.NativeRegExp.source;
import mage.abilities.Ability;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.common.ActivateIfConditionActivatedAbility;
