public static int sumAttack(CardList c) {
        int attack = 0;

        for (int i = 0; i < c.size(); i++) {
            //if(c.get(i).isCreature() && c.get(i).hasSecondStrike()) {
            if (c.get(i).isCreature() && (!c.get(i).hasFirstStrike() || (c.get(i).hasDoubleStrike() && c.get(i).hasFirstStrike()))) {
                attack += c.get(i).getNetCombatDamage();
            }
        }
        //System.out.println("Total attack: " +attack);
        return attack;
    }//sumAttack()