>>36064399Not him, but Turbo Gardevoir was a thing. Tournament lists at the end of XY sets looked like this:
http://thecharizardlounge.com/decklists/primal-clash-evolutions-decklists/#m-gardevoir-prcXerneas BREAK was also used in some builds.
Haven't played since before SM sets hit, but I heard that Gardevoir GX/Sylveon GX decks are quite powerful and have a similar game plan.