Like any product manufactured in different locations, JP printings are subject to different printing materials, standards, production process, etc., that can create differences in the look and feel of the card
Then, when it loses its last defense counter, that battle is put into your graveyard
If Raubahn is no longer on the battlefield at that time, use Raubahn's power as it last existed on the battlefield
I would try and keep Gigalith on the bench until I got at least 3 energy cards on it, hopefully all fighting energy cards, and then use Core Cannon unless 90 damage would one hit KO the defending Pokemon
Magic: The Gathering is going through a significant shift and is aggressively building its portfolio
Hatterene is classified as a 3-Diamonds card in the Pulsing Aura set