Ninetales ex was revealed from Pokemon Card 151! As noted before, the set will release in Japan on June 16th. We expect to it release internationally as a special set this fall.
[R] Heat Wave: 30 damage. Your opponent’s Active Pokémon is now Burned.
[R][C] Mirrored Flames: 80+ damage. If you have the same number of cards in your hand as your opponent, this attack does 140 more damage.
Weakness: Water (x2)