First story: The Mysterious Distinguished Visitor by Annalee Davis.
Summary: a man enters a church service in Michigan during the winter. He sits in front pew and stands at end of service. He turns to
Congregation and claims that their church extension will be built; they didn’t have the funding to build it.
He walks out of the church, people follow him but he is not outside and there are no foot prints or tire tracks in the snow.
The extension gets built