As for the card itself, you are given a critter with 70 health points that can attack with 30 damage points, plus 10 points for each energy card that will be attached to the defending Pokmon
Articuno ex is a great secondary card for any Water-type deck
The latter is a tool that multiplies three times the damage done by a Pokmon attacking for weakness
A three-mana Meteor Golem could be be powerful, and if we get enough support, maybe there could be some sort of artifact aggro deck featuring Steel Overseer, but the options are limited
Necropotence with Dark Ritual was a defining feature of the format and very difficult to stop without the full suite of turn-1 free countermagic available to Magic as a whole
Suki, Courageous Rescuer and Katara, Water Tribe's Hope give us ways to pump our team so we can close out the game quickly once we build a big board