If you find that you still have too many cards to sift through, I suggest sorting into categories like targeted removal, mass removal, ramp, and card draw
The only thing holding you back from infinite greatness here is if your library is already seriously depleted
The best Pokmon cards guide is useful for staying current on which cards are driving buyer demand
The colored cards though are a piece of cake when compared to the artifacts, especially the artifact creatures
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Reverse Holo [] The entire card (except the artwork) has a foil effect, often with set-specific patterns (energies, symbols, etc.)