You didn't give him time enough to take any paper he wanted. I saw you. It wasn't fair! What is the effect of this piece of dialogue on the plot?
Mr. Summers considers a redrawing.
The villagers are forced to consider whether they agree with Tessie.
Tessie's protestations spark a minor rebellion that is soon squashed by Mr. Summers.
The reader understands that Mr. Summers has manipulated the lottery so that Tessie will die.