Hi there, it's Chatelaine Nita. You can get all the information from this wonderful thread: http://www.smogon.com/forums/threads/battle-maison-discussion-records.3492706/
But to pull the necessary information, she uses: Tornadus2 | Modest | Yache Berry | Substitute | Double Team | Focus Blast | Hurricane | HP/SpA (EVs) Landorus2 | Modest | Choice Scarf | Earth Power | Extrasensory | Focus Blast | Grass Knot | Spd/SpA Thundurus3 | Jolly | Sitrus Berry | Wild Charge | U-turn | Crunch | Sky Drop | Atk/Spd