There are currently two MPL players (myself and Carlos Romo) and one Rivals player (Lucas Berthoud) from Brazil, on top of Patrick Fernandes who Top 8ed the Season Grand Finals
Look for the 1st Edition stamp on the left side and the absence of a shadow around the card image
First edition Blastoise cards from base set will typically show more signs of handling, and be lower grade
8 Near Mint + This condition may represent average production and/or distribution quality, generally characterized by whitened corners, irregular cutting, printlines or wear due to handling of the card, such as scratches on the surface, marks on the edges, sunken corners, etc
The one thing I'll say comes down to a similar issue with Elven Empire and Necron Dynasties : mark-ups stink
That's not enough to get excited about on its own, but it's a great outlet for land sacrificing in general because it doesnt limit you to once per turn