Looking for British Shiny Xerneas event

For trade: (All shiny) 6IV Charmelon and Charizard, 6IV Pidgeot, 6IV Arcanine, 6IV Magikarp, 6IV Kabuto, 6IV Houndoom, 6IV Kingdra, 6IV Swablu, 6IV Torterra, 6IV Spiritomb, 6IV Watchog, 6IV Mienshao, 6IV Pawniard 6IV Delphox, 6IV Slurpuff.

Looking for the British Shiny Xerneas event. OT being Descartes.