I will be playing an entire League with the challenge deck, tweaking it a bit, and then playing another League right after
Once inactive it is just a Wastes
The former has better stats and worse card flow, and is a weak card
They take a 5% commission on sales of single cards and multiples, as well as 3% to convert currency for payments
March of Otherworldly Light solves that problem, allowing you to have maindeck removal that deals with artifacts, creatures, or enchantments
That means that it cannot be played in a Commander deck outside of Five Color ones, but other formats are more welcome and this is a Five Color (Format) essential