The Blastoise promo card in question is known as the Blastoise CD Promo because it was available as a holographic card in the 1999 music release, Pokmon Best Song Collection
The non-reflective surface means your cards are visible to you and your opponent for a better play experience
It however is still considered to be in exile and not on the battlefield or your hand, meaning that there are much fewer ways for your opponent to be able to get rid of it before you can cast it
strategies could become a big part of competitive Dueling this Summer.
Some Japanese cards, particularly from special sets, can become highly sought after long before theyre available in English
Image via DailyMTG.com Most playtest cards, including the current form of Magic ones, are just mechanics on a psuedo-card-frame template, with some sort of confidential or NDA on them, and thats about it