To elaborate, game stores buy boxes from distributors at a certain price (let's say $80) and sell them to customers for an increased price
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Cowabunga
There are Angel decks out there, and while theyre very different from a deck like Elves or Goblins they can be quite potent
Tutors should be important for any competitive deck, where I would say most casual decks probably shouldnt run them
As a reminder, here is the pertinent Oracle text for it: A deck can have any number of cards named Relentless Rats. Well, it seems from the wording, rulings, and rule that it would not be allowed in multiples, but Sheldon, a couple of years ago, made this post in the forums: The RC has discussed it and for the time being thinks that multiple Rats is OK