prismatic booster boxes Pokémon Center Evolutions Cards vary by pack. Pokémon TCG: Prismatic Evolutions Booster

This play pattern is one that WotC wanted to avoid in Modern from the get-go, so Chrome Mox, one of the best imprint cards in the game, has never been allowed in the format

Performapal Popperup X SPELL Send up to 3 cards from your hand to the GY

So unless there is some pattern where similar cards appear to be rarer or more common, or the sample size is a lot larger, brute force wont deliver definitive answers (though it is still interesting of course)

A third option is to use white BCW Card Storage Boxes to make steps. These boxes come in a variety of sizes, so you can find one that is long enough to fit the size of your shelf

SR Super Rare Lost Guardian X EARTH Level 4 [ RockEffect ] ATK 100 DEF