The most obvious oddity is the fact that it has the Magic: The Gathering card back, but there are also a few other differences, like a gold border instead of the classic yellow
There are as many possibilities as there are cards
This awesome card has unique triggers for when you cast either a red, blue, white, or green spell, making it a very fun Commander to build around, but also one that will get you ganged up on at your table if your decks start singing
Dragonite doesn't do much in the film, but in terms of HP and attack damage, it is the strongest of the four promotional cards released for the film's theatrical release, including Mewtwo itself, despite its strength shown in the film
"Vampire Sorcerer", "Vampire Familiar", "Vampire Retainer" and "Vampire Ghost"