Cobalion and Energy Search from the Battle Strength Cobalion Deck have been revealed, as you can see below; click the thumbnails for larger images. Bangiras has translated the two cards as well. It seems each deck will be a 14-card sub-set.
Cobalion – Metal – HP110
[M][C] Metal Horn: 30 damage. Switch your opponent’s active Pokemon with one of his or her benched Pokemon (your opponent chooses the benched Pokemon to bring active).
[M][M][C] Sacred Sword: 100 damage. This Pokemon can’t use Sacred Sword during your next turn.
Weakness: Fire (x2)
Resistance: Psychic (-20)
Trainer’s – Goods
Choose 1 Basic Energy card from your deck, show it to your opponent and put it in your hand. Shuffle your deck afterward.
You can use any number of Goods cards during your turn.