Common cards often establish the basic mechanics and themes of a set
Slow-developing cards (like effects which count cards in your graveyard) are viable in any deck, even without great supporting synergies
If a player were to get lucky enough to get Zacian V out, look at their deck (only the top 3 cards), and hope for a Steel Energy and somehow get all three for his attack, it's pretty much over
Although it's no longer at the all-time high price of around $800, it can still fetch you anywhere between $460 to $480
The following English cards were previously revealed: Prismatic Evolutions will release on January 17th
Also, if you cheat one onto the battlefield without paying for it, none of its doors unlock - which could make them pretty bad targets for reanimation spells