Dressed in a Minecraft hero costume, six-year-old Ilay climbed into the shelter in the basement of the multi-story residential building in Haifa. While the alarm sirens are wailing here, as in all other areas of Israel, he proudly brandishes his magic sword. The Jews in Israel celebrate Purim, half the city is dressed up. But all of a sudden a new reality breaks over the costume parades: It’s war again.