Going by TCGPlayer, the special issue serialized Praetors continue to sell in quantities akin to other popular, but significantly cheaper, serialized cards from the same set
I dont take a lot of stock in the light test, Tony, a Texas comic and gaming store employee who wished to remain anonymous to protect the stores reputation, told me
You should have a balanced distribution of low-cost cards and high-cost cards, with low-cost cards being the majority of your deck or else you wont be able to cast any spells when you actually play the game
I saw a sealed one here from a couple years back, which seems to suggest there could be a way to validate without opening
For example, Phyrexian was added as a creature type retroactively, which mattered a lot for cards like [[Embiggen]] in Infect decks
These cards feature a borderless art design and the subject of the card centred in front of a background featuring their clan symbols and a splash of colour denoting the colours of the clan