Fortunately, cards like Acquire or Knowledge Exploitation and artifacts like Ring of Three Wishes or Planar Bridge can help you in a pinch, but these tend to be very mana intensive or situational, so I recommend using them sparingly
If heads, switch 1 of your opponents Benched Basic Pokmon with their Active Pokmon
It can also be used as a timely response to Vandalblast, and with your excess of mana, you should be able to hold it up
It often sees play with red rummage cards like Artist's Talent and Tersa Lightshatter as enablers, although blue has plenty of looting effects to make it tick
The key driver: Mew VMAX SA individual card prices have appreciated faster than the box price, meaning the expected value of pulling that card has grown relative to box cost
They belong to a well-known market where you can buy, sell, and trade them freely