I'm gonna be looking to run Donphan in DE format, however still wondering whether to play straight Donphan or Donphan/Yanmega. As for the deck, I played 4-4 Yanmega with 3-3 Donphan and 2 Mewtwo EX. I found that worked great for me, but now I'm debating whether Ruins of Alph is worth playing...