I have mixed feelings about some of the UB sets, Marvel had a lot of overpowered legendary cards that had little drawbacks but had some nice mechanics for pauper decks, plus some decent comic art, the Final Fantasy cards had some OP stuff for sure but I enjoyed the vehicle and job select mechanics and art, the Avatar stuff just seemed like it was made for fanboys and the bending mechanic just doesn't seem to fit IMO with anything other than that, plus I hate Izzet-Lessons decks with Gran-Gran.