These cards, while considered promos, have been left off the list due to their wildly varied pricing and ridiculously high value
Magic Broom cards first appeared in the Disney Lorcana: The First Chapter starter decks
If you're newer to the game (or maybe even thinking of getting a younger player into the game), I would absolutely start with the Ruby and Amethyst Starter Deck
Gogo, Master of Mimicry I look at Gogo, Master of Mimicry, and I see broken things happening
All cards in this set can be used to update existing Disney Lorcana TCG decks or played alongside the previously released sets, The First Chapter, Rise of the Floodborn, Into the Inklands, and Ursulas Return
This means playing the right cards together, and sometimes holding back until you have the right synergies available