Lirudna, Devil in The West

Flying, Trample, Wither
Deaths Smoke-{2}{w}{b}: Lirudna, Devil in The
West phases out an deals 2 damage to each
non-flying creature. (Treat it an anything attached
to it as though it didn't exist until your next turn.)
"You only get one chance to strike, make it count."
Walker, Captain of The Guard