I'm questioning myself the use of the old Mewtwo-EX over the new Lugia-EX.
One is Psy, weak to psy, the other is Colorless, weak to Lightning but the same attack can be used.
Which one pairs the better with decks like Blastoise/Archie/Keldeo-EX or Seismitoad-EX/Yveltal-EX ?
And why ?