in any deck that has reliable treasure production, this is a straight up win condition
They will appear more frequently than other List cards, to ensure people have a decent chance of finding the ones they need
She can be shifted on top of another Gadget card, bringing her cost to only four instead of six, and, if the player has three or more items in play, they can pay one less ink for any Inventor
What is particularly relevant here is the fact that Nadu was banned for monopolizing time at a Commander table, among other things
If you're unsure about which precon to add to your collection next, taking a good old deep dive into the MTG Duskmourn Commander decklists will get you one step closer
Fast red mana is so strong in Magic, which is why Mox Ruby is often among the most expensive of the Moxen