You are free to allocate the Buy-a-Box promos between different booster box types as you see fit
TCGPlayer shows current marketplace prices from verified sellers, while market price represents broader market data including eBay, auctions, and other platforms
If you use the Sphinx, not only will you be able to cheat two Doctors out per turn instead of one with Gallifrey Stands, but youll be able to use a card in your main phase to get a bunch of Doctors into play and win the game before your second main phase
One tiny piece of something can get caught between the card and the cloth then wreck the holo with scratches
The same is true for first strike, double strike, deathtouch, hexproof, haste, indestructible, lifelink, menace, reach, trample, and vigilance