the owner of said collection has kept his identity secret, going only by Dubsy
Here's how you can test it yourself: Open your Pokdex page on "Pokmon TCG Pocket." Perform a pinch-to-zoom gesture (spreading fingers apart) to zoom out
Destroy that card and add 1 "Loid" card from your Deck to your hand
While some speculated that the Umbreon Master Ball foil would be even more valuable than the SIR, it turns out to be significantly less valuable in the eyes of collectors while still commanding an impressive price point for a simple foil card with a Master Ball print
Four mana is a lot to drop on a Planeswalker with very little immediate impact
The next block, Amonkhet , didn't have a great need for Vehicles, so we didn't use them, but the block after that, Ixalan , had Pirates