In fact, I wouldn't consider picking up power or any older cards worth more than $200 without a thorough knowledge on what to look for
This'll usually have something to reanimate, and paying 4 mana for a 3/3 + something that costs 2 or 3 mana is going to feel like a great deal
Id buy a set of Bloodbraid Elves ASAP just in case
On one hand, this is definitely an effective solution to prevent scalping and those trying to break the rules while also making the job for the staff easier On the other hand, I can understand why people wouldnt want to be recorded and have their face scanned in a data base that can easily be compromised I think a better system (imo) would be a NY transit gate system
So the difference here is in the background
If Nadu leaves the battlefield and returns to the battlefield in the same turn, or if Nadu leaves and another Nadu appears, the triggered ability granted by the new one is different than the triggered ability granted by the old one