The mono-black artifacts theme has been eclipsed by the Necron cards from the Universes Beyond: Warhammer 40,000 Commander decks, but these two are the original evil artifacts build
Put all creature cards revealed this way into your hand and the rest into your graveyard
Roiling Vortex I adore Roiling Vortex because it does two things very well that are needed in Commander
The combination of art and text helps immerse players into the game, setting the mood, adding depth, and providing background information
If you don't control any creatures as the spell resolves, instead Pyromancy 101 is exiled but taught to nobody
Whether this card should see play would depend on the overall deck composition and strategy, weighing its unique ability against other available options for mana acceleration