Umm... using the "Update your Collection" box on the right side of the page from the Set Overview page will get you to the point of being able to click the dropdown box and select "Add all cards to collection". There are variations of that dropdown based on sets.
Also, what exactly are you asking here?! Do you want to add a certain run of cards from a Series of cards instead of the whole set OR 100 copies of the same set. Your question is kind of all over the board considering what we can do on this site.
NO PWE's EVER!!! PLZ PM me 1st before sending any offer. ONLY selling cards as of March 2024. No trades or purchases right now.
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Largest total PC card collections by Team, then Athlete (as of 3/22/24):
STL Cardinals (MLB) - 8810; Carolina Panthers - 2888; GB Packers - 1790+ cards
Mark Martin (NASCAR) - 2038 cards; Jimmie Johnson (NASCAR) - 1875 cards; Jeff Gordon (NASCAR) - 1594; Ricky Rudd (NASCAR) - 839; Ozzie Smith (MLB) - 707