Speaking of counters, we also get access to Disallow, which gives us the upside of countering things like planeswalker ultimates or Aetherworks Marvel activations
It is the most rounded and the highest offering of general card quality while up there with Impulse on the specific front as well
When combined with cards that create creature tokens when a land enters the battlefield, you will always have access to more creatures that can utilize Nadu's ability
With Ashaya, Soul of the Wild, this lets you put a +1/+1 counter on a creature whenever a nontoken creature enters the battlefield
Or you make a bunch of Vampire tokens equal to the number of other attacking creatures you control
The process of authentication is critical when assessing the true worth of a trading card without it, one could find themselves dealing with counterfeits or fake memorabilia altogether