White Kyurem from XY10 Awakening of Psychic Kings / Fates Collide has been revealed by the official Japanese Pokemon Twitter account. Thanks goes to Bangiras and Sean T. for the translation!
[W][C] Burning Icicle: 40 damage. If this Pokemon has any Fire Energy attached to it, choose 2 of your opponent’s Benched Pokemon and do 20 damage to each of them. (Don’t apply Weakness and Resistance for Benched Pokemon.)
[W][W][C] Blizzard Burn: 130 damage. This Pokemon can’t attack during your next turn.
Weakness: Metal (x2)
All information and spoilers about XY10 can be found on this page, which you can access from the navbar’s TCG menu.