As if a man should cast (hōs anthrōpos balēi). Note hōs with the aorist subjunctive without an. It is a supposable case and so the subjunctive and the aorist tense because a single instance. Blass considers this idiom “quite impossible,” but it is the true text here and makes good sense (Robertson, Grammar, p. 968). The more common idiom would have been hōs ean (or an).