Durante casi dos aos, Emperador del Caos, el Dragn del Armagedn estaba solo disponible como Carta Premio exclusiva de Campeonato, otorgado solamente a los mejores Duelistas en Yu-Gi-Oh
Aside from the obvious synergy with a deck built around Azorius flyers, I think that the way that she shuffles things around the table is interesting and can lead to some fun situations
They dont offer specific trade-in services, but do have an occasional Swap Shop for those looking to move around bulk cards and complete legal decks that work better for them
For any and every reason I would cut them because I only want to have them in my hand when I need them and drawing multiples only increase the badness of my hand
Doing so reduces the harmonize cost by an amount of generic mana equal to the tapped creature's power
So, although were losing Leader Vivis attack by resting her, we are weakening an opponents Character, making it easier for us to attack and KO it or use a removal effect