The cards were excluded as it was difficult to translate their tabletop effects to the video game engine, but they are replaced by game-exclusive cards of the same Pokmon (the Electrode card was later made available in Japan via an online card shop)
However, we'd just seen retro frames only a few months earlier, making their comeback feel less special
So, in short (or, I guess, in extremely long), there are a LOT of types of alternate art these days, each more audacious and ridiculous than the last
Its particualrly good at stopping token and aggro decks
You are usually going to get more than two manas worth of value out of the burn spell, but you do have cast the card for six, not four
And you're just going to change that