Please sell it to me
The knee-jerk reaction here is to assume that virtually invalidating an archetypes worth of cards is effectively the same thing as answering their cards, but theres a marked difference, and that relevance is in what happens if the worst thing happens and the card is answered
A bunch of stifle effects and cards like Platinum Angel can make you pretty resilient
Amazon is a great site for buying booster boxes, while TCGplayer, CardKingdom, Star City Games, Troll and Toad, and ChannelFireball are all solid retailers for buying singles
Its a little tricky to find a home that can appreciate every part of the card, but I think its going to ultimately prove good enough
If you need to store graded Pokmon cards, you can start with Resealable Graded Card Sleeves to keep the slabs free of scratches