There are so many criteria that a best card must pass through, and everyone has their own rubric for calling a card great
The biggest risk is that the fast mana it gives would power up combos too much, and while it's probably safest to have Chrome Mox banned, it does seem strange to see it on the banned list after watching Affinity play Mox Opal on Turn 1 and dump literally their entire hand onto the battlefield
Energy symbols - on fake cards, the small, circular energy symbols are often the wrong size or design, or in the wrong position
The vaults purpose was to suspend their inhabitants in a virtual reality world indefinitely, creating a perfect and safe life for those inside
Of course, none of these cards come close to the dizzying values of the most expensive Pokmon Trading Card Game cards
We wouldnt get enough insight into the worlds and characters that make up this amazing game