Overall, Heidegger, Shinra Executive is an expensive and slow card to play, and can really stagger progress during gameplay , even if its abilities seem positive, making it inapt to work in this particular Magic: The Gathering Final Fantasy set
If this spell was cast from your hand, create a 0/1 black Wizard creature token with "Whenever you cast a noncreature spell, this token deals 1 damage to each opponent." Rebound (If you cast this spell from your hand, exile it as it resolves
Glasses of Urza (1): You may be asking if I had a Black Lotus, surely one of the most sought after and expensive Magic: The Gathering cards in existence
Yugi gives him a massive "Reason You Suck" Speech, calling him out on not understanding the heart of the game before using Monster Reborn to revive the very card Kaiba stole and ending the duel
Hitmontop 067
For one thing, not having to enchant a permanent is huge, as your foe cant remove it in response, and the ability to duplicate any nonland permanent you have as opposed to just a creature or artifact is massively strong