list.size > 0 changed to !list.isEmpty

We care about if it's empty or not, not about it's size

Mage/src/main/java/mage/abilities/keyword/CascadeAbility.java

@@ -134,7 +134,7 @@ class CascadeEffect extends OneShotEffect {
         Cards cardsFromExile = new CardsImpl();
         Cards cardsToLibrary = new CardsImpl();
         cardsFromExile.addAll(exile);
-        while (cardsFromExile.size() > 0) {
+        while (!cardsFromExile.isEmpty()) {
             card = cardsFromExile.getRandom(game);
             cardsFromExile.remove(card.getId());
             cardsToLibrary.add(card);