You can only cast the adventure if you want to, provided that each time youll pay 2 more due to commander tax, so you can even use this card as a commander only for tutoring auras and equipment
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
Grimer only hits for 10 when he attacks your opponent , but that is not all he does
Unbreon Vmax 215/203, Holo, Evolving skies rainbow, est 300-500 (944)
Maybe you remove swingier cards, or add more rares and mythics to have a more powerful game
Each head does 200 damage