dragonshield card sleeves Dragon Shield - Dual Matte Ideal for TCGs like MTG Dragon Shield Card Sleeves: Sapphire

The quick answer is the sets that are about to rotate out of Standard tend to be the cheapest

It would seem that these were largely printed to add cool new alters for highly sought after or nostalgic cards for Constructed players, but they will actually still have a huge impact on Limited

CGC authenticated 48,339 total cards and encapsulated them with a special Guinness World Records label, with a pedigree of Part of the Largest Collection of Pokmon Cards. Do you have an interesting or valuable card

These cards are worth considerably less than their holo counterparts, simply because holo cards are harder to obtain, especially in mint condition