Peppita > Galcian
Apparently, there are dance moves that summon eldritch abominations. And these dance moves are very similar to what Peppita uses to call her friends.
So when Ramirez tried to sabotage the match and get Galcian back in Heavy, the battlefield was suddenly eaten by Chthulhu.
Of course, the interference was thusly noticed and Peppita was given the win. She's still trying to figure out what she did there - right heel up, pirouette...?