The official list for thepaupercube.com. Formerly maintained by Adam Styborski and now curated by a committee and the community surrounding it.

2 Color archetype goals are as follows
{W/U} - Flicker
{U/B} - Control
{B/R} - Aggro (aristocrats subtheme)
{R/G} - Monsters
{G/W} - +1/+1 counters
{W/B} - Midrange
{U/R} - Spells Matter
{B/G} - Recursive Midrange
{R/W} - Go wide Aggro
{G/U} - Ramp

If you want to help determine cards in the cube and give us your opinions, check out the Polling Site
There is also a discord for discussing the cube and making suggestions. The Committee does not reply to messages or comments posted here on a regular basis so the discord is the best place to post any questions/feedback.