While some of the cards are underwhelming, there are some really interesting ways to use the mechanic, and I think it had a lot of potential
Nadus sheer power comes from the fact that you can target it with free stuff like equipment that cost 0 to equip and draw a bunch of cards, and you can do this twice per turn for each creature you control
Pricing is very competitive, especially for TCGs like Pokmon, Magic: The Gathering, Yu-Gi-Oh!, Disney Lorcana, and Dragon Ball, which is $14 per card for their 10-day service tier
It is also one of those artifacts with a unique effect (save for Urzas Bauble, which is not legal) that would not be printed like this today
You only see it in Commander, or in recent Standard decks thanks to the Lorwyn Eclipsed reprint
These decks include reliable ways to draw cards , ensuring you always have options