Ostensibly a comedy, or a tragi-comedy, or a dystopic mashup of "The Wizard of Oz" and "Field of Dreams," Diaz's play could possibly be enjoyed as a befuddling trifle if not for its serious pretensions about morbidity and mortality. Both aspects of this double downer involve a young man (the hopelessly adrift Daniel K. Isaac) recently diagnosed with a terminal disease that Diaz, desperately straining for universality…
