When you subscribe Cosmos, you will get one free Unreal Engine Marketplace Pack. After you fill and submit the form, we will send the pack to your email adress.
(If you subscribe to Cosmos and receive a free pack, you will be unable to cancel your subscription for a year.)
You can choose one pack up to 150$ from the link.
https://www.unrealengine.com/marketplace/en-US/profile/Leartes+Studios