Windcrag Siege might be the best siege by merit of being a three mana doubler for attack triggers
But today, if I am one of the very few that actually play with the ring, and additionally one of the few with a card pool that could really benefit from an update, how could I in good conscience argue for a return to the ring's written intent without sounding opportunistic
Moreover, you can only include cards in your commanders color identity or artifacts
Its Devouring Flames lets you discard energy from your opponents deck, which lets you adopt a strategy that disrupts your opponents setup before it even gets going
They want to experience something
If you wanted to focus more on winning through combat you could drop out those ETB damage sources and throw in cards like Hellkite Charger, Beastmaster Ascension, Akroma's Memorial or even Coat of Arms