Macro Cosmos This trap card is so powerful that its been limited to 1 copy per deck and I dont see that changing any time soon
You also can't really grind out a game of commander in the same way that you might 1v1, going for card value, trading up a little, keeping track of cards in hand, and trying to essentially create more threats than your opponent can answer
Giovanni (Mewtwo Packs): An essential card for many decks due to its ability to add 10 damage to your attacks, often making or breaking key matchups
When it does finally release, at least it will be much harder to become the unfortunate target of fake cards.
Cemetery Puca: Very interesting
It's also worth mentioning that, while I have taken into account the secondary market value of some Ninja Spinner cards for this list, some of these are my top choices simply because they look neat