<moonythedwarf> le//rn moon//moon is often named the following: moonythedwarf moonythehuman moonheart08 moony moon__ computing and luxon, making porthellos a real pain

#!/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"