56mm x 87mm card sleeves Sleeve Kings Standard – 110 Count, Clear 60 Micron Thickness, Medium USA Size (56 87 mm), Compatible with Heat: Pedal to the Metal & More – SKU: SKS-8807 : Toys & Games Protects and extends the life of board game cards Amazon.com: BCW 1-BG-56X87 Gaming -

If the card gets sent to the Graveyard that turn, then during the end phase, you can send one Beast, Beast-Warrior, or Winged-Beast card from your hand, or preferably the field, to the Graveyard to bring him right back

As I mentioned before, it is possible to open alt-frame / alt-art cards in a normal booster box, but since we don't know the distribution of these cards, we can't really bake them into the expected-value calculation

TCGFish.com has a chart for every card that tells you the odds of getting a 10 which can be helpful

And finally, pick three Stadium cards that complement your Pokemon's type and move set