Luminous Broodmoth gives our deck some much-needed recursion, while the insectoid Fallout Vigor makes our creatures impossible to deal with in combat (while also saving us from our own Blasphemous Act)
You can see how this works, and it's a cool concept for the card's beauty & the beast theme
Its cheaper to cast, fetchable with Urza's Saga, and copies both activated and triggered abilities
Empoleon might seem a lot like Machamp, but Narode asserts that its better for a few key reasons
That strategy previously had no access to dual lands to fix its mana, but now it has 10 more to choose from (though the red-green and green-blue options are likely the most relevant to it)
and after that, they emerge from the cocoon with +1/+1 and Flying