What has been interesting to see is that his particular card expansion is being dubbed A2 by fans
If this Pokmon and your opponents Active Pokmon have the same amount of Energy attached, this attack does 100 more damage
You and your opponents each have your own deck of magical cards (maybe even custom-printed MTG cards!), which you use to battle it out to the bitter end
These allow you to have a separate deck full of contraptions that add a new dimension to the game without muddling up your main deck
We've already touched on how nicely Kotis plays with easily recurrable creatures like GravecrawlerGravecrawler, especially since Kotis conveniently happens to be a Zombie in its own right
Since it's status is high in the first place, it's good to just add it to the side as an accompaniment to the deployment, and even if you treat it like that, you can extend the hit point with two attacks, so it's very versatile