Sheldon's SpellbookRelease 6. 9. 24! Secret Lair collaborated with Sheldon Menery, the godfather of the Commander format, to create a drop that would showcase his love of the game and the Magic community. Sheldon had a tremendous positive impact on the game, and this drop honors his many contributions. Sheldon helped a lot on this drop: he selected cards and collaborated on the art descriptions. Inside youll find cards he designed, like Inkshield; his signature