Theros Beyond Death Collector Boosters come in displays of 12.
Two (2) foil Nyx basic lands
Eight (8) foil common, uncommon, or basic land cards
One (1) ancillary card (a card that does not appear in Theros Beyond Death Draft Boosters)
One (1) rare or mythic rare extended frame card
One (1) foil rare or mythic rare card (one in four packs include an extended frame card instead)
One (1) saga or showcase frame card
One (1) foil saga or alternate frame god, demigod, or planeswalker card
One (1) foil double-sided token.
Magic the Gathering