Here is what it took to block the Fed. it would be the same at the State level....

Bob Ferguson...
"I reached out last weekend to the corporate counsel at Expedia and Amazon, for example, and to their great credit, they moved mountains over the weekend to draft declarations that we could file with our motions before the court supporting what we were doing. And they wrote about the harm done to their employees by this executive action and to their business. And one thing we had to show was harm done to the state of Washington, to the people and the businesses so those declarations undoubtedly helped in that effort."
"It holds even the president accountable to our laws."  Insert Governor or Mayor...