You can put it in a high mana value commander as a backup win condition, but it really isn't a good idea
Check for flaws Look for whitening, print lines, centering issues, or dings
But there are still some clear Day One ways you might try and break these cards: you could use the Hideaway trigger on Collectors Cage, or just make a ton of surplus mana with something like Growing Rites of Itlimoc
Blastoise Presentation (1998) Created by Wizards of the Coast as a prototype card to secure Nintendo's approval for the English-language Pokmon TCG, only a handful of these cards exist
Helga Sinclair Tough as Nails makes for a good early-game play on turn 2, threating almost anything in a challenge
Mike Fairservice and Lindsay Burley are often seen in the coverage of SCG open events selling their 3D cards