I'm just getting back into the game after about a year or so and I used to play Keldeo/Blastoise. This deck seems to be the current variation. Here is my decklist:
Pokemon
4 Keldeo EX
4 Blastoise
2 Mewtwo EX
1 Jirachi EX
1 Manaphy
1 Suicune
1 Exeggcute
Trainers
4 Archie's Ace in the Hole
4 Professor Juniper
2 N
1 Lysandre
2 Skyla
1 Dowsing Machine
4 Ultra Ball
2 Battle Compressor
4 Roller Skates
4 Maintenance
3 VS Seeker
3 Superior Energy Retrieval
Energy
12 Water
Pokemon
4 Keldeo EX
4 Blastoise
2 Mewtwo EX
1 Jirachi EX
1 Manaphy
1 Suicune
1 Exeggcute
Trainers
4 Archie's Ace in the Hole
4 Professor Juniper
2 N
1 Lysandre
2 Skyla
1 Dowsing Machine
4 Ultra Ball
2 Battle Compressor
4 Roller Skates
4 Maintenance
3 VS Seeker
3 Superior Energy Retrieval
Energy
12 Water