Magic Card Deck Size. Does not offer packing services. Rates as low as $7.35 for a 1lb box.
The black border on the top and sides of the card is about 2mm. At any usps location, you can get a free medium flat rate box, which will fit ~4,300 cards for $14.35 postage. A limited deck may contain as many duplicates of a card as are included with the product.
The gathering decks had to have at least 40 cards.
If you’re building a deck for the constructed format, then you’ll need to have at least 60 cards, plus you’ll want a sideboard of 15 cards too. Many collections will fit within their flat rate boxes which allow you to ship any amount for a flat rate fee up to 25lbs (6425 magic cards) within 1 box. Deckstats is for those players who like to treat deck building as an empirical science. There's no maximum deck size, as long as you can shuffle your deck in your hands unassisted.