Theyre useful for players who look to test new decks or cards and want in on a fantastic format without blowing a ton of money, buying budget EDH decks, or scraping by with a $20 Commander deck
But focusing on the sets already in Standard (and surviving rotation), there aren't a ton of exciting targets for Mirrormade
Because theyre sentimental in value and not necessarily for playing, organizing further doesnt matter
Genesect Vs power lies in its incredible draw engine, Fusion Strike System
Once youve gathered the core cards from the Mewtwo pack, consider moving to the Charizard pack, which includes key Trainer cards and support Pokemon with powerful effects
Promo cards can sometimes have alternative art , though they are generally just alternate treatments of existing Lorcana cards