@Override
 public String getCardName() {
   return propertyColors.getColorName() + " Rent";
 }
 @Override
 public String getInternalType() {
   return "action.rent." + propertyColors.getInternalType();
 }
 public boolean isValidRent(PropertyColumn column) {
   return propertyColors.compatibleWith(column.getPropertyColor()) && column.getRent() > 0;
 }