7 - Mewtwo-EX (X/Y: BREAKthrough) This Mewtwo came straight from the X/Y block, when EX cards were dominant, and it is incredible
Naturally, the value of a first edition Pokemon pack will vary depending on what set its from
Why a New Format, and Why Now
Including a number of spells like Snakeskin Veil, Fake Your Own Death and Not Dead After All always make fir great "Gotcha"s when an opponent tries to remove your commander
I think that's not going to be the core reason you run the card because Aero Ball is just a much stronger attack, but Deep Hurricane has its uses, situationally
Acererak the Archlich The release of MID brought zombies back into the Standard meta, boosting the worth of Acererak the Archlich