Get the sword
You step to the side of the door, where people are less likely to be walking, and get out your Time-Tables. There’s a subtlety to finding where the peculiar melody of paradox space will drop you, and you spin carefully. This isn’t your world, but here, this time, farther back than expected, is a heavy drop but easy as the boys Bro brings home who lose their shirts just in the door. It’ll be almost effortless to shift to.
So you do.