Once hed completed a set spare boxes were never opened
At the very least one could determine that they are unaltered, but were getting into super cool levels of forensic analysis into determining whether the layers of ink on top match the chemical composition of the ink layers on bottom
By tapping, you can search your library for any legendary cardbe it a creature, land, or even a planeswalkerand put it directly into your hand
With Pot of Generosity, you put cards back into your deck from your hand
While it received cards before the release of its Structure Deck, it did not become a meta deck until the release of Albaz Strike, as this Structure Deck gave the deck a reliable boss monster that helped it be a prominent meta threat
They handled it all and at a very great price