Originally Posted by Fat typon77
In response to Alex mentioning Horn Leech having a lower EN cost, this may have something to do with it being a much more exclusive move?
I doubt it. From what I have seen, the distribution of a move does not affect that move's attributes in any way, shape or form (except for that one time Chatter got 100% confusion rate). And if you need to know why move distribution is irrelevant, two words: Unown Soup.