private CardList getLowestPowerList(CardList original) {
                    CardList lowestPower = new CardList();
                    int power = original.get(0).getNetAttack();
                    int i = 0;
                    while (i < original.size() && original.get(i).getNetAttack() == power) {
                        lowestPower.add(original.get(i));
                        i++;
                    }
                    return lowestPower;
                }