Moon Druid is THE MOST complicated subclass in the game, by an absolute mile. You need to consider so many different things, between all of the different Wild Shape beasts and spells, and there's a bunch of really weird restrictions that make would-be obvious choices actually not work. Fortunately, I'm here to help you out.
Patreon: www.patreon.com/the_twig
Music:
Village Bridge - Pokemon Black & White
Bostonius - Professor Layton and the Azran Legacy
Eterna City & Celestic Town (Night) - Pokemon Diamond and Pearl
Agate Village - Pokemon Colosseum
Bamboo Island: The Legend of Zelda: Skyward Sword
Gate - Pokemon Black & White
Timestamps:
00:00 Intro
01:02 Basics of Wild Shape
04:18 Beast Forms
15:44 Multiclasses
19:12 Feats
20:31 Species
20:50 Magic Items