For example, the old Jund decks used to always play seven discard spells
In this way, you can get these cards as often, in total, as you can get cards that are only available in a single treatment
Of course this isnt really a new mechanic at all, just a reimplementation of the saga mechanic introduced with Dominaria (and later reintroduced with Theros: Beyond Death and Kaldheim)
The quantity can be attractive, but focus on the associated wagering, the selection of eligible titles, and any cap on convertible winnings
Each source material card appears at the same rate
With a FOIL COATING CARD in every SECEPTOR Each play pack also includes at least 1 card with a glossy traditional foil coating