I know this topic is pretty old, but I wanted to remind people of a great way to farm for enhancement cores, mod components, and gunsmith materials... Simulation Seeds. I did this yesterday to see how good the exchange rate was, and it was much better than I remember: For 5500 legendary shards (buying 27.5k Simulation Seeds from the Spider for 500 Mercury packages), I received the following: 1. 3990 legendary shards 2. 500 legendary shaders (gives one legendary shard each) (the first 2 items alone give a 82% return rate for your shards) 3. 2809 gunsmith materials 4. 120 enhancement cores 5. 62 mod components 6. 8 Year 1 Exotics and some insignificant extras: 1. 11200 glimmer 2. 3 Polestar I Ghost Shells 3. 6 G-72 Classical Sepheid Sparrows In summary, using this method, every 100 net legendary shards spent will yield about 12 enhancement cores, 6 mod components, and 292 gunsmith materials, and that's a great price! I know not everyone has tens of thousands of legendary shards, but even a couple hundred will give enough to not feel completely broke at the start of Shadowkeep. I spent about 3.5 hours during my farm (including the time buying the Simulation Seeds and buying the packages), in my opinion, that's time well spent. Happy farming!