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/costs/AlternativeCost2Impl.java

@@ -145,8 +145,6 @@ public class AlternativeCost2Impl<T extends AlternativeCost2Impl<T>> extends Cos
         return activated;
     }
 
-    ;
-
     @Override
     public AlternativeCost2Impl copy() {
         return new AlternativeCost2Impl(this);