You create three Treasure tokens
It is about volume, variety, and discovery
Each Streets of New Capenna Collector Booster contains: 1 Traditional foil Booster Fun rare or mythic rare (Usually, this is a traditional foil card with a golden age, skyscraper, art deco, Phyrexian, extended-art, or borderless treatment, but occasionally, you'll open a foil-etched rare or mythic rare, or even a gilded foil rare or mythic rare.) 1 Non-foil golden age, skyscraper, art deco, Phyrexian, or borderless rare or mythic rare 1 Non-foil extended-art rare or mythic rare 1 Non-foil extended-art Streets of New Capenna Commander rare or mythic rare 1 Traditional foil rare or mythic rare 1 Traditional foil metropolis basic land 1 Traditional foil golden age or skyscraper common or uncommon, or 1 gilded foil common or uncommon 2 Non-foil golden age or skyscraper commons or uncommons 2 Traditional foil uncommons 4 Traditional foil commons 1 Traditional foil double-sided token Collector Boosters are available individually and in displays containing twelve boosters
You can transform it with 1 mana if you've cast three of your spells - easily done with your extra mana
