Sliver Queen was the first five-color card, and it made it count
While this requirement isn't quite as unreasonable as the previous entries on this list, it blocks one of the key pieces of an Ikoria Green deck Nissa, Who Shakes The World
Takeaway 1: A Mono-Brown Colorless-Only deck is Unlikely Historically, there have been a number of mono-colorless decks even without colorless mana being required to cast spells
Collector's tip: If you are just getting started with vintage card collecting, learn to evaluate a card's condition before submitting it for grading
But Wait, There's Core Starting with Throne of Eldraine , we debuted our new "booster fun" initiative, putting alternate, tricked-out versions of specific cards into packs