Thats pretty good, but honestly, its a little off plan for Affinity and Affinity really wants to maximize its artifacts and kill as fast as possible, so Im not sure how good it actually is as a maindeck card in that deck
One of that set's Commander precons was headlined by Ashling, the Limitless, who lets you build a mana engine with Faces, Elementals that produce mana, like Flamebraider, Smokebraider, and Bramble Familiar, and the sacrifice triggers from the creatures you cast from your hand that Ashling gives evoke
Most Enel lists focus on playing huge lategame bodies like 10-cost Ace from 5,000 Years in the Future and Yamato from Kingdoms of Intrigue
If your opponent has a bunch of creatures with unearth in the graveyard, you can ruin their reanimation plans by exiling everything, and creating two 2/2 bears isnt terrible in a pinch
Aetherflux Reservoir We all know the pay 50 life: deal 50 damage line