This manufactured scarcity creates the perfect environment for a speculative market
While its probably a decent budget Commander card, it only goes for $1
If you have a card in your hand that says Evolves from so-and-so and so-and-so is the name of a Pokmon you had in play at the start of your turn, you may play that card in your hand on top of Pokmon so-and-so
This blank has all the various design elements of that Proto-Blastoise card, as well as the space to put every other strange difference such as Set Symbols next to the HP, different game play concepts like escape instead of retreat (cost) and Level 1/2 versus Stage 1/2, and even using a completely different typeface for names, attacks, etc
Here's the exact process three steps, zero guesswork, no design experience needed
As a suggestion, try to keep them relatively simple