how do pokemon cards gain value The Most Valuable Gen 1 Pokémon Card Prices Are Still

Squirrel Sovereign is a very straightforward Magic: The Gathering creature

Each is a 1-cost Character with an [On Play] effect that replaces itself in hand by drawing 1 card in exchange for returning 1 DON!!, which greatly boosts the value of OP15-058-enels [Activate: Main][Once Per Turn] effect

Getting a 1st edition Blastoise on its own will already cost you around 20k

And since Tameshi Belcher runs no actual lands, a single Belcher activation reliably deals damage equal to the number of cards in your librarytypically more than enough to end the game on the spot

Mastery of the Unseen, by the way, should already be in your trade binder or for sale somewhere