When it comes to third-party D&D publishers, Kobold Press is probably one of my favorites. Most players will know them from their Tome of Beasts books, but Kobold Press has been creating a variety of supplements since 5E first rolled out. Over the years, some of their most popular releases have been magic-themed. These released include new spells, background options, or even entirely new schools of magic. For years, these options have been scattered throughout various publications. In 2020, Kobold Press decided to compile all of this material and release it in one package called
Fantasy Grounds - Deep Magic Volume 2 for 5th Edition on Steam
Unnameable Secrets of the Great Old Ones!, Some warlocks, wizards, and clerics deal with creatures far worse than demons and devils—malevolent alien
Deep Magic: Mythos Magic PDF (5th Edition)
Tenkar's Tavern: HUGE 5e Humble Bundle from Frog God Games / Kobold Press!
Deep Magic 2 Rune Magic PDF
Deep Magic for 5th Edition (2018) - Kobold Press Store
Command 700 New Spells for 5th Edition!, No matter how you slice it, magic is at the heart of fantasy—and nothing , says magic like a massive tome of
Kobold Press D&D 5th Edition Deep Magic Pocket Edition
Deep Magic: Clockwork PDF (5th Edition) - Kobold Press Store
Let's Read] My reviews of 3rd Party Sourcebooks - Dungeon Masters Guild - Dungeons & Dragons Discussion - D&D Beyond Forums - D&D Beyond
D&D 5.0/5e: 3rd Party - Deep Magic (Kobold Press)