however, their serialized variants are only in Collector Boosters
Note: Foils are a special case, since they represent higher levels of rarity vs the non-foil version, but are much more desirable in some formats (Vintage, Legacy, Modern, EDH), than in others (Standard, Casual)
While the origin of the idea is somewhat disputed, creative players suggested extending the rule to every card in a Magic deck so that instead of the usual limit of four of a specific card there could be only one
When we rolled the system out, we tried to keep the Game Changers list small
4-Row Card Storage Box This 4-Row Trading Card Storage Box (3,200 capacity) has a lot to offer with card holders for each row plus dividers to sort your stacks into
Those are all decent stats, but maybe not quite enough to justify the cost alone