Published Cards

Celebration Cards
Richard Garfield
World Championships
DCI Tournament Center
Gift Cards
Artist Proofs
Invitational Cards
Canadian/American Invitational
Magic Invitational
Event Horizons Invitational
Unofficial Cards
Wizards of the Coast Employees
Middle Ages
Annoying Kingdoms
Edge of the World
5-Color Magic
Hong Kong Magic Club

Development Cards

Prototype Cards
Mana Flare
Playtest Cards
Factory Cards
Filler Cards
Test Prints

Misproduced Cards

Recalled Sets
Summer Edition
Alternate Fourth Edition
(core Misprint categories and subcategories yet to come)