It's pretty simple: you tap and sacrifice the artifact to force the game to come down to a coin toss
Try setting her up with Rousing Refrain and then following her up with a bomb such as Volcanic Torrent or Elemental Eruption
What I love about it is that it does just enough to be worth casting, but its not scary enough to be removed
With 35 creatures in total, it's heavy on aggression, but many of these creatures have devastating abilities or near-broken utility for their cost (looking at you, Flamebraider), so there's a nuance to the deck, too
Past in Flames had been one of my favorite long-term spec targets for a while, but I assumed it was going to see a reprint in Modern Masters 2017 regardless
It was originally a game loss, but its just a warning today