Give accounts x number of raindrops or nimbus for a week or something to new accounts that join the discord (need discord integration) or create a website account. Put it on the chat blurb tips alerts things as well so new players are incentivized to do so.
Hey, I've added your suggestion to Trello. If it is implemented, it will be done with Operation Ares, and it will not be a priority at first. Thanks for the idea, I hope it's implemented some day :)