Every Yu-Gi-Oh player has a list of cards that they dread to see
The following are harder to come by: Super rare cards are printed with a holographic gloss, which make them foils," while ultra rare cards have gold or silver embossing, as well as an overall holographic effect
Magnetic cases are the standard for protecting high-value cards in serious collections, and including them by default is one of the ways Snapshot differentiates from print-on-demand alternatives that ship cards loose
The Zipfolio 360 Xenoskin from Ultimate Guard with its 360 compartments is perfect for collecting complete sets of Magic editions, for example.
The sheer potential for Guardian Project to turn each creature in your Commander deck into a cantrip is strong enough to place it on this list, but Guardian Project is held back by everything else
The best card to grab off of this effect is the other squire, Eidos, who grants you an additional tribute summon this turn