I realized I had been reading “Randomly choose a spell that is not mentioned in the effect of any Gewgaws affecting this duel from the wiki page from the previous step, and remove it from the spell list on that page.” as “Randomly choose a spell that is not mentioned in the effect of any Gewgaws from the wiki page from the previous step, and remove it from the spell list on that page.” and thus had not been rolling Burn as an option. This feels like a minor enough change that we can rubber stamp a “play on” but better to still rubber stamp it.