If the creature you control does attack, and the creature you don't control can't block it for any reason (such as being tapped), then it doesn't block
It does all the usual shenanigans of drawing cards and becoming a massive threat as your opponents attack into one another, but tying those abilities into a Dragon-themed shell makes this commander feel wholly unique and interesting to build around
Eternal Might Zombie typal might seem vanilla in 2025 Commander, but Eternal Might makes it work, in large part because Temmet, Naktamun's Will gives the deck a draw-focused gameplan that distinguishes it from typical zombie strategies
Magic has always had, and still maintains, a rules are meant to be broken ethos
You just need to decide on which subthemes suit your taste and wallet
That's especially true in the Living Energy Commander Deck, where living creatures produce a special kind of energy that can be harnessed to empower incredible acts of artifice