appeal (or at a minimum, EFTA00177811 they have a "substantial case on the merits," and the "harm factors" militate in favor of granting a stay, Medal Ltd. v. Cipla Ltd., 426 Fed.Appx. 915 (11th Cir. 2011), citing Hilton v. Braunskill, 481 U.S. 770, 778 (1987)); they will be immediately and irreparably