User blog comment:JUCHEN/This is the results, of ma burning soul/@comment-1755882-20140122054053/@comment-1755882-20140122141316

You're wrong on that. Attacker wins on equal Power and Defense.

By return, I mean some kind of Card Advantage. Rising Flare Dragon, for example. He has a Call Cost of 2, but also grants card advantage by destroying an opponent's monster immediately. You don't have any sort of guarantee for Barrier Breaker, and there are a variety of ways in which it can be countered. That's why Barrier Breaker is bad.