The Two Big Classifiers: Notoriety and Reprint Status Magics first sets - Not many people play This doesnt just apply to cards which are out of touch with modern power levels, however
If a rarity's ordinary printing cannot clear a $20 raw floor after years on the shelf, that is the market pricing the mechanic, not an oversight in the filter
You could dedicate one card to each year together, each major trip, or each important milestone
Similar to card packages, using the staples pages can save time and trouble compared to searching for individual cards
Special Summon 1 Level 4 or lower "Crystal Beast" monster from your Deck, but negate its effects (if any), and if you do, add 1 "Ultimate Crystal" monster from your Deck to your hand