Employees and developers working on Magic: The Gathering Arena say they were hired with promises of remote flexibility, so they bought homes and built lives around those assurances. But they say they are now being told they may need to relocate to Washington state — or effectively lose their jobs. Those concerns are a major reason why a supermajority of workers on the Arena team are attempting to unionize with the Communications Workers of America, under the banner United Wizards of the Coast . The group publicly launched its campaign on April 27, calling on Wizards of the Coast and parent company Hasbro to voluntarily recognize the union by May 1. Instead, the company opted to proceed through a National Labor Relations Board election process now scheduled for June 2, during which eligible employees will vote on whether or not to form a union. With a simple majority, a unit will be formed.…