Xerneas-GX has just been revealed from SM6 Forbidden Light! The set will release in Japan on March 2nd and in America on May 4th. Thanks goes to Franco T. for the translation!
[C] Run Through: 20 damage. This attack does 20 damage to 1 of your opponent’s Benched Pokemon. (Don’t apply Weakness and Resistance.)
[Y][Y][C] Aurora Horn: 120 damage.
[Y][Y][C] Sanctuary GX: Move all damage counters from each of your Pokemon to your opponent’s Active Pokemon. (You can’t use more than 1 GX attack in a game.)
When your Pokemon-GX is Knocked Out, your opponent takes 2 Prize cards.
Weakness: Metal (x2)
Resistance: Darkness (-20)