The alternate commander, The Lord of Pain, pings enemies for damage whenever a player casts their first spell, which is not only an excellent tool to make your opponents kill each other, but a decent deterrent to not remove them quickly
I feel as though the Mewtwo boosters will contain some of the better cards overall, but your first pick should be based on which of the above cards appeal to you the most
Considering that only one Energy card can be attached per turn, attaching Special Energy is a strategic play that may enhance your deck and help it be competitive, but there's a risk that must be considered
I didn't win any games with it, but Chatterfang surprised me anyways
The nefarious Team Rocket will also join the roster, with 83 cards in the series coming from the villain team