Yes, there are a few outliers like Kaito, Bane of Nightmares and Jace, the Perfected Mind
The easiest way to handle gold is to keep it equal, and have each of the colours contribute some of its cards to the other colours it can fit with
Hokori, Dust Drinker If your friends thought it was bad when you occasionally drew Winter Orb out of the 99, wait until they see it in the command zone
I don't love when an ability can only trigger once each turn
Plaza Japans Japanese Pokemon booster box category is also a useful example of an international-facing product grid: the page title and meta framing make the category easy to understand for overseas buyers
As I explained in my card-by-card article for Born of the Gods when I talked about Gild, King Midas started as a white creature in Theros design