While perhaps an interesting artistic choice, it matches the style used in the Pokmon Rumble game, which is where the illustration comes from
The cost of doing so is a bit too high to be good in actual gameplay, but we're not really here to discuss gameplay
While Magic: The Gathering players were aware of Tezzeret's presence on Kaladesh, and knew that he would be making an appearance in Aether Revolt thanks to Planeswalker deck details, the exact abilities and nature of his card weren't known until now
However, if it leaves the battlefield once its ability has triggered, that ability will still counter the spell
Instead, MTG Principal Game Designer Andrew Brown discussed why these specific cards are being banned
Suicune () is a uniquely good card in this format since walling off EX Pokmon is valuable when most decks don't have ways to move Suicune