<oerjan> le/rn scowrevs///hackenv/share/scowrevs is a list of repository revision ranges that affected a lot of files but in the end changed nothing (usually because of a revert at the end). Most of our custom repository lookup commands ignore these to reduce noise.

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