Delaware Ice Arena, also known as Iron Hill Gardens, is anything but a welcome refuge for wayward hockey teams. Exhibit one: the cocky Wagner College Sea Hawks blew in on last Friday’s frigid night. Two hours later they were blown out, 4-1. “Those guys are damned good,” mused Wagner’s top scorer, center Jack Vanasco. “They play as well as anybody in our league.” · If the Blue Hens played any better, visiting clubs would ….