Do they? I've only ever seen major TCGs sold three ways (not counting secondhand): Regular booster packs (fixed number of cards, odds of rarities in small print

Do they? I've only ever seen major TCGs sold three ways (not counting secondhand): Regular booster packs (fixed number of cards, odds of rarities in small print on the back), preconstructed decks (fully known, no randomness), and bundles (box with five or ten regular packs plus one specific card or random known-rarity card).