Loose booster packs are risky to buy, and they are often cheaper than sealed product for exactly that reason
If you're interested in the Bird tokens, it's a reasonable rate to produce Flying bodies, but if you're interested in the protection from everything side, you'd be much better off with Teferi in your corner
A binder with a rigid, padded cover offers better protection against bumps or pressure
While acquiring both of these will mean purchasing both packs, they are meant to work together as one
If, while you control Spider-Verse, you also control more than one legendary non-Spider permanent and at least one legendary Spider permanent all with the same name, the legend rule applies to only the non-Spider permanents
We work with Pokmon cards every day and understand what streamers and resellers actually need: cards that look good, are easy to sell, and can be bought in repeatable quantities