The interesting thing about all the Team Rocket Returns Rocket's Pokemon is that they have unique abilities and attacks while all being Darkness-type
Originally, the denizen mechanic was enhance, a mechanic that doubled +1/+1 counters, so we made sure to branch out heroic granting +1/+1 counters to all five colors
A Little Background Before diving into the financial component, I want to touch on a bit of history
You could also get away with Howling Mine, for that matter, since your aim seems to be keeping your opponents from being able to cast anything they might draw from it
This is one of the very few ways to remove them both, and you get to do so in one fell swoop and from all opponents
Three packs of Evolving Skies are much cheaper when purchased individually, but the exclusivity of the promos in these blisters ensures that this product will remain in demand