Well, generally the location itself or the characters there will gain an additional benefit from being at a location. Think of locations in this way like mini-combos within your deck
And as much as I love playing with the older cards, I probably wouldn't take anything not on the list of 25 above to an actual Pauper tournament, and I can play casually with them all I like already
Lastly, the Registry allows me to send my collection to card shops and bulk graders, so they can help me find the elusive cards I still need to complete my sets, like that Fighting Energy in a 9.5 from 1st Edition Gym Heroes, which only eight people sent in to grade, and I need to complete my set
Credit: Wizards of the Coast Ezrim, Agency Chief FromTheShire: First of all, hat game on point
You may reveal a colorless card from among them and put it into your hand
If youre not playing blue, its not going to do much for you