Very hard to choose one as there is plenty of good work done every year, but I will go with the full art Grief by Campbell White
Hisuian Zoroark VSTAR [Lost Origin] and Tyranitar ex [Obsidian Flames] both could see a bit more success with some self-damaging Pokemon, and Ballistic Break has some nice synergy too
This happens independently of your portfolio (collection) or database
Unlike the English multi-print run, the Japanese release is almost exclusively collected as this single, core holographic version
Assuming about half of those cards survived and are still in the marketplace, all of the words Ive ever written about, say, Transmute Artifact are referring to something like 3,000 total copies of the card, four of which I personally own