I realized I had a lot of empty 3D printer filament boxes that could work, but only if there was some way to organize the cards within the boxes
Most of your threats will be temporary thanks to Purphoros ability, so you need to make sure you dont run out of fuel for the fire
The presence of Tron lands, Ancient Tomb, and Ugins Labyrinth further help the cause, too
Again, here's an incomplete list of Ancient Stirrings decks: Ironworks Tron Hardened Scales Whir Prison Lantern Control Amulet Titan or Bant Eldrazi Again we see a wide variety of decks, of course all involving artifacts or Eldrazi because that's the deck-building restriction, but running the gamut from beatdown to big mana to control/prison
If your opponents let you go unchecked, you can turn your whole army into 9/9s, which will wrap up any game very, very quickly