pokemon ex delta species booster pack Blister Wizards of the Coast is

If I played an Emerald deck regularly, I would absolutely consider including four of those Robin Hood cards

Players must pay all costs and follow all normal timing rules to play cards they own that were exiled by Prowl, Stoic Strategist

[-3]: Return target artifact card from your graveyard to your hand

Smprattes video sums it up better as well, but if I could add my own opinion here, it would be that the market today is too optimized to be able to trust that packs which were sealed 20+ years ago now were not already weighed, which would then hurt both seller and buyer of said item down the road when looking to move the product