First to make the misstep is "it" for the time or for next game.
One misstep and you're liable to get the commissioner killed.
A misstep might precipitate him into the dark waters of the rushing stream.
The horses were tired, and a misstep or a stumble would be dangerous.
Mrs. Brace's voice had not faltered, although she must have seen the misstep.
Once there was a ...