What is "Deck Build Box"?

Includes 125 carefully selected reprinted cards (25 cards per color × 5 colors), allowing you to easily build a deck by combining just two colors.
Also includes 8 packs of “Freedom Ascension [GD05]”, so you can customize your deck to your liking.
Comes with Resource cards, Token cards, playsheet, half storage box, and other accessories,
plus a bonus pack featuring an exclusive EX Base lineup (3 types *at random),

Plus a bonus pack exclusive to this product.