<oerjan> le/rn rules of wisdom//Unless essential for the entry\'s humor, all wisdom entries should: be understandable without the separate key, be single spaced, and use proper capitalization and punctuation.

#!/bin/sh
exec perl -e'open$I,"<","share/mtg/allsets.txt"or die$!;$/=""; @c=grep{/(?mi:$ARGV[0])/}<$I>; print($c[rand(@c)] || "No card found.");' -- "$1"