I can understand emoting others in the arena, especially when the opponent uses swap in or OP creatures (I send them myself on those cases)… In Skill tournaments too, equal grounds, even doing it for no reasos. Maybe you can annoy the opponent and trick him/her into making a mistake… It’s cheap, but it’s valid, it makes sense.
But emoting in an Advantage tourney with creatures at way higher level than your opponent’s AND boosted? Really?.. Seriously, I have no words to describe players like that without getting banned from here