It brings a bunch of value for you every time players vote, which may not be all that often but should be often enough to make it worth it
As Bruna can recur any number of Auras from its controller's graveyard at once, it actually pairs quite well with self-milling effects that can quickly fill a player's graveyard
This means Druddigon can escape for free, as can Hitmonlee and Marshadow, while Graveler and Golem can retreat for a single Energy
However, the Champions Path Charizard VMax is the hot card for this month
I think this largely comes down to the fact that blue and green rely less on refill draw, and can get by with topping up easily and cheaply as a game progresses
If heads, and if your opponent's Active is a Basic Pokemon, KO it