are two of the most impactful cards from Reign of Jafar, bringing Amethyst/Emerald decks back into tournament top cuts
You don't have to add four copies of each card to your deck though, and sometimes it's beneficial to have fewer copies and make room for other important cards
Search for Dagger (Borderless) (FIC-459) - Commander: FINAL FANTASY Foil Wizards of the Coast Rare null/null Whenever your commander enters or attacks, look at the top six cards of your library
While this card has likely been power-crept out of any real play (due to the fact that any player with open mana can also create lots of their own furry, long-tailed creatures when the Liege bites it), it still stands as an important historical Squirrel-enabler, likely leading to it retaining a price above $5
You can certainly play a mono-color deck
I think that one of the biggest winners with this card is Kinnan, Bonder Prodigy because it offers a line where you dont always need colored mana to make Kinnan work