Currently using the following deck but find myself changing my mind a lot so could do with some help.
12 Pokemon
Yveltal ex x2
Mewtwo ex (xball)
Lugia ex x1 (Xy- deep hurricane)
Darkrai ex (dark cloak ability) x2
Tauros GX
Yveltal (fright night) x2
Eevee
Umbreon GX
Shaymin ex
13 energy...