If you have been working on Xfer Serum for any amount of time you SHOULD 100% of heard of "Rocket Powered Sound" they have single handedly dominated the "Serum Presets Tutorial" space on YouTube for YEARS. They have recently dropped their new "Serum Preset Bundle" which includes 250+ Serum Presets & Wavetables (LIMITED TIME ONLY).
The Download Link:
If you want to see this Serum Bundle Pack at work then I have you covered! Here is a video of me making THREE different genre of beats using the Preset Pack.