Sen Triplets is at $55, while Braid of Fire is at $23
Kiora also relies heavily on specific cards, but they are rare cards, which are easier to obtain then Mythic
So while the Equipment deck is fairly well-supported, the "Power 7+ Matters" theme is mostly relevant only because of our commanders, Cloud, Ex-SOLDIER and Tifa, Martial Artist, which reward you for boosting their power to 7 and have a starting power of 4 which is high enough to quickly reach the goal with a single Hero's Blade for example
Certain cards are also given special abilities, or have certain combinations of cards, which can make the game more interesting and strategic
Mostly found in Wilds of Eldraine Commander products, these cards mess with conventional Magic rules to spread chaos across the battlefield, all the while putting you in a better position to dominate your opponents
If a "Deskbot" Effect Monster(s) you control would be destroyed, you can banish this card from your GY instead