<b_jonas> slashlearn euclid//Euclid is a short geeky game in which the goal is to do Euclidean compass and straightedge constructions in as few steps as possible. It runs in the browser, found at "http://www.euclidthegame.com/". It was popular among #esoteric regulars in 2016-07.

#!/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"