More often than not, this card will serve as a somewhat fragile board wipe with a massive upside should it resolve
Demand is the more fickle counterpart, in that it's always changing to some degree, and it really depends on the card
The base version of this card might not be top, but I can guarantee the most expensive card that you can get in the set will be an Edgar card
Elspeths Nightmare Elspeth's Nightmare is good early game removal since it can also help you avoid a threat in a players hand, and then exile it the following turn
But my fatal mistake was treating deck construction too similarly to Commander, putting my curve too high for what proved to be a much faster format
I wouldn't recommend running lots of high cmc artifacts if you're already filling your top-end with planeswalkers like Nicol Bolas, Planeswalker, but lower cmc artifacts that enhance your theme can be useful