In order:
I added the UA tag and removed the familiars one, technically the raven isn't a familiar. – daze413 6 hours ago
@ hohenheim Some magic items that can cast spells require attunement by a specific class, or require the attuned person to be able to cast an x-level spell. It helps to see all avenues of where the interactions between the raven and the ability to cast spells are, since it helps build a case against ruling this way. – daze413 6 hours ago
Agreed. I would strongly suggest you mention that the wand and ring are homebrew. It saves future readers and potential answerers fr…