I reckon there's more to this Brawl than first meets the eye. None of my opponents seem to be playing correctly, they're spamming out all their spells and have nothing left to protect themselves for future turns and get to the point where they'll suicide if they cast anything.
Easy farming so far, I'm sure some interesting tactics will develop over the week but currently this is the month's fast 'farm' Brawl, the best kind.