The attack cost might be steep, but discarding energy from the opponent's active Pokmon is a useful effect that should not be overlooked, and this card's disruptive features come together to make it one of the best Fighting-type cards in the current format
The deck is built around creatures with a high toughness, and attacking with creatures that should normally be passive
While their power is subtle, they offer a way to shift the deck-building math in your favor, reducing your odds of two of the worst outcomes in a game of Commander: being mana flooded or mana screwed
Though creating and taking the initiative is very monarch-esque, the effect itself is a new dungeon , such as those introduced in Adventures in the Forgotten Realms
He may not be the best way to run an aggro artifact deck in Boros, but he is definitely the BEST way