They were fairly obtainable - at least compared to the average secret rare Pokemon cards - yet each one you found felt special
Key Card Example: Litleo from Prismatic Evolutions Uncommon (U): [Diamond Symbol ] What it is: Evolved Pokmon and more complex Trainer or Item cards
If these were to get graded an authenticated, theyd likely pull $1,000 minimum for the bad cards and several thousand for the good ones, assuming the grades came back at a 7 or higher! For more information on Magic: The Gathering playtest cards, check out The Magic Librarities Forum.
Snarl has the added effect of reducing the damage dealt by the Defending Pokemon on its next turn by 100 HP, which is a great bonus too
Then there are single instance ramp spells such as Jeweled Lotus, Irencrag Feat, Dark Ritual, Mana Drain, Culling Ritual, etc
I pitched creating some minigames that could be played with a booster pack