From here, you can return an opposing nonland permanent to its owner's hand, then force your opponents to discard, which acts like a sneaky removal option against an empty-handed foe
Sure, you can tap it for one blue mana if you need it but once flipped, Azcanta, the Sunken Ruin can dig through the top four cards of your library, adding a noncreature card to your hand and helping you win the game.
As its name suggests, Mythic Orange is also used on the mythic rare symbols in Carpenter
I only became aware of the store a couple years ago myself
Each card will still fit into a theme, and you can still mix those themes together to create a new deck and then battle it out with your friends
It does have some cool highly unlikely interactions I talk about here though