The official Japanese Pokemon Twitter has revealed Ferrothorn from Rage of the Broken Sky. Thanks goes to Jake C., Bangiras, and Sean T. for the translation!
[M][C] Metal Claw: 40 damage.
[M][C][C] Spike Whip: Does 10 damage to each of your opponent’s Pokemon times the number of [C] in their Retreat Cost. (Don’t apply Weakness and Resistance for Benched Pokemon.)
Weakness: Fire (x2)
Resistance: Psychic (-20)