The disc is just decoration I guess theyre just doubling down on the Pokemon cards
I dont know if its the best card overall, but considering the price tag of this card and that it wasnt reprinted outside of a Commander set, people will certainly rejoice when seeing all the different versions of this card in booster packs
Hell, you could even play Steel Golem or Grid Monitor and find a way to give it to your opponent, and end up better off than playing Aether Storm

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Izzet Prowess being such a big part of the current metagame is a problem for a lot of decks