[40K] add missing hint to AbaddonTheDespoiler

Mage.Sets/src/mage/cards/a/AbaddonTheDespoiler.java

@@ -60,7 +60,7 @@ public final class AbaddonTheDespoiler extends CardImpl {
                 MyTurnCondition.instance, "during your turn, spells you cast from " +
                 "your hand with mana value X or less have cascade, where X is the " +
                 "total amount of life your opponents have lost this turn"
-        )));
+        )).addHint(hint));
     }
 
     private AbaddonTheDespoiler(final AbaddonTheDespoiler card) {