if (list==null) return null;
if (list.size()==0) return null;
CardSimList subList = list.sortListByPower();
subList = subList.getSubPowerEqual(subList.getCard(subList.size()-1).getNowPower());
subList = subList.sortListByManaCost();
return subList.getCard(subList.size()-1);
}
/** a Creature which can be killed with given damage, highest possible toughness to be reduced to zero
* <BR><b>No Hint required</b><BR>