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
Certain cards are also given special abilities, or have certain combinations of cards, which can make the game more interesting and strategic
On top of that, it's also a noncreature lord, giving all of your goblins a passive +1/+1 bonus
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