While there are no other methods to obtain a Golden Lure Module, during particular events, players can benefit from golden PokeStops, as Niantic activates them randomly
Then when an Aura of yours dies, you can cast it again before the end of your next turn, although if not it'll be exiled so no recursion tricks there like Auramancer
You can always cast these creatures for their mana costs as normal and make sure they stick around for a good time and a long time
You still see it from time to time, usually in a newer players deck, but if the right knight cards come along I could see a resurgence for this quick 1-drop
Like how Earthbenders turn the terrain into weapons in Avatar: The Last Airbender , players can do the same with the help of spells and abilities that instruct them to earthbend in Magic: The Gathering
With a moderately low cost, she can be a useful character that adds Beauty and the Beast flair to your deck