The two Blastoise presentation cards were printed in 1998 by Wizards Of The Coast, and come with blank backs, whereas the other cards in the test pack that were printed have Magic: The Gathering backings
While it's hard to secure one of the cleaner copies, you'll find major discounts for anything worse than LP, with most prices dropping into the single digits
Squirrel Sanctuary Not great, but it's a squirrel token generator, so it's good for Chatterfang, Squirrel General
There is little more satisfying than hitting with Therapy in the early turns of game one as good as blind
Also, playing around graveyard hate and soft answers like countermagic or discard is oftentimes tough
Nostalgia certainly sells and Charmander makes that clear