Rarity
2,048
cards, 1/1 each
10
grades, 1 to 10
12
collectible layers
2
grade 10, the rarest
Every card's score, rarest to common. The grades cut this line into ten.
Common to rare, the populations halve toward the top.
Every card belongs to many sets at once. Each is its own chase.
Length
3 to 8 letters
1-bits in the 11-bit serial
Initial letter
Z=4, the rarest run
Scrabble sum per word